Международный стандарт номера телефона

Мы привыкли записывать телефонный номер, начиная с восьмерки. Поэтому когда где-либо требуется записать или ввести на сайте номер телефона в международном формате, то сразу в голове масса вопросов.

Подробно рассказываем, как набрать номер телефона в международном формате, и откуда вообще взялся этот формат.

Российские номера сотовых телефонов в международном формате состоят из трех элементов:

  • +7 — международный код страны, Российской Федерации;
  • ХХХ — три цифры, обозначающих префикс. Эти три цифры определяют название сотового оператора и регион регистрации номера;
  • ХХХ-ХХ-ХХ — семь уникальных цифр, номер абонента, по которому также можно определить регион.

Отметим, что если речь идет про городской телефон, то может отличаться количество цифр в абонентском номере. Если в крупных городах географический код всегда состоит из трех цифр, то в других населенных пунктах он может включать четыре или пять цифр. Однако общее число цифр не изменится — код и номер абонента всегда состоит из десяти цифр. Поэтому, если региональный код четырехзначный, то абонентский номер включает шесть цифр, а если пятизначный код города, то пять.

Итак, чтобы записать номер в международном формате, следует набрать 11 цифр, не считая знака плюсика. Эта комбинация используется для звонков из зарубежных стран в Россию, внутри страны можно звонить, набирая вместо +7 восьмерку. В книге контактов лучше сразу сохранять номера в международном формате, потому что зачастую звонки через восьмерку не проходят, а также сможете гарантированно дозвониться на нужный номер, находясь в любой стране.

Правила набора номера в международном формате<br>

Номер «Мегафон» в международном формате имеет префиксы 920-929, 936 и 937. Номера МТС в международном формате отличаются префиксом 910-919, 980-989. Номера «билайн» в международном формате легко узнать по префиксам 903-909, 961-968, 976.

Однако стоит учитывать, что номера в одном коде могут быть разделены регулятором между несколькими операторами. Это связано с тем, что номерной ресурс ограничен, и выделить всем операторам, а их зарегистрировано более ста, коды с необходимым количеством номеров, невозможно.

Строго говоря, любые российские сотовые номера сразу пишутся в международном формате, так как без кода страны и кода оператора позвонить по ним невозможно.

Важно знать, что телефонный код +7 Россия разделяет с Казахстаном и Абхазией, а также мобильными номерами Южной Осетии. Другие республики после распада Союза перешли на собственные коды. Крым также использует российские коды +7-869 (местная связь в Севастополе), а сотовые номера Крыма в международном формате начинаются с комбинации +7978.

В международном формате можно набрать и любой городской (местный) номер. Если вам нужно позвонить, к примеру, в отель за рубежом, со стационарного телефона следует набрать 8-10-{код страны}-{код города}- номер абонента. А вот с сотового номера нужно набирать вместо 8-10 — плюс и код страны.

Как позвонить в другую страну из России<br>

Цифра +7 определяет принадлежность номера к российской телефонной сети. Для других стран зарезервированы иные коды. Американский сотовый номер выглядит так:

+1 {код страны} ХХХ {код штата или города} ХХХХ-ХХ-ХХ {номер абонента}

Каждый штат США имеет свой префикс, а вот привязки номера телефона к оператору в США не существует. В одном штате может быть несколько вариаций префиксов.

Например, в Нью-Йорке используются коды 347, 212 и 646. В то же время, абонент с этим номером может переехать в какой угодно штат, роуминга внутри страны нет, так что по этим цифрам можно определить только, в каком штате номер был впервые зарегистрирован.

Также цифры, идущие после +1 в международном американском номере, позволяют определить, со стационарного или сотового номера вам звонят. К примеру, 212 код стационарной сети Нью-Йорка (но не в 100% случаев).

Как видим, американский номер в международном формате также включает 11 цифр. А вот украинский длиннее: здесь код соединения со страной состоит из трех цифр, +380. Украинские мобильные номера в международном формате выглядят так:

+380 {код страны} ХХ {код оператора} ХХХ-ХХ-ХХ {номер абонента}

У каждого сотового оператора Украины, соответственно, свои коды:

  • 63, 73 и 93 — коды оператора Lifecell;
  • 50, 66, 95, 99 — Vodafone;
  • 67, 68, 69, 96, 97, 98 — префиксы для звонков в сети Киевстар;
  • 91 — ТриМоб;
  • 92 — PEOPLEnet;
  • 94 — Интертелеком.

Отличается в стране формат национального набора. Как и в других странах Европы, вместо привычной нам восьмерки, используется ноль. Им можно заменить +380 при наборе номера, если звонок совершается внутри страны.

Белорусские сотовые телефоны в международном формате легко определить по начальным цифрам +375.

Хотя у Казахстана код страны совпадает с Россией, их номера определяются по префиксу: они имеют формат +7(6xx)xxx-xx-xx или +7(7xx)xxx-xx-xx. Префиксы российских сотовых операторов принадлежат исключительно диапазону (9хх).

Отметим, что на территории страны также действует нумерация с кодом начинающимся на восьмерку. Также, как в России, это специальные многоканальные номера. К примеру, 800 для бесплатных звонков с любого казахстанского номера.

Как появился международный формат нумерации<br>

Последовательность набора номера определяется телефонным планом нумерации — унифицированной системой, позволяющей пользователям сети отправлять и принимать звонки, а также определять звонящего (услуга определения номера включена во все тарифные планы сотовых операторов).

В мире существует два плана нумерации: открытый и закрытый. При первом местные вызовы можно совершать без национального номера (кода города), а при втором, то есть закрытом, необходимо набирать полный международный формат номера для звонка любого вида: местного, междугороднего, международного, либо национальный — в России это восьмерка вместо кода страны.

В основном страны применяют закрытый план нумерации, Москва сегодня полностью переведена на него. Отметим, что популярный термин “прямой номер” появился до того, как введен закрытый план. “Кривым”, на самом деле, является не номер с городским кодом, а тот, что можно набирать напрямую без кода города/оператора.

По планам Министерства цифрового развития, к 2020 году Россия должна была полностью перейти на закрытый план нумерации, но пока данный процесс не завершен. Это означает, что со временем во все городах нельзя будет набирать короткие 5-7-значные номера для местных вызовов, а всегда будет необходимо использовать полный международный формат номера.

Также планируется переход на международную систему национального формата номеров. По планам Минцифры, замена восьмерки на ноль будет произведена до 2025 года.

Сейчас у нас есть различие в наборе комбинаций при звонках внутри телефонной зоны, за ее пределы и при междугородних вызовах.

  • ХХХ-ХХ-ХХ — звонки по местным городским номерам, никакие коды не нужны;
  • 8 (Код города) ХХХ-ХХ-ХХ — междугородные звонки, набираются с кодом города;
  • +7 (код города) (номер абонента) — для звонков из-за пределов РФ.

Если говорить о вызовах со стационарных телефонов, то для выхода на межгород нужно набирать 8-ку (в других странах 0).

При закрытом плане нумерации всегда нужно будет набирать расширенный вариант, то есть с +7 и кодом города, либо пользуясь национальным форматом.

Страны редко меняют план нумерации, но в ближайшем будущем это предстоит россиянам. Большинство абонентов не почувствуют разницы, ведь в телефонной книге смартфона удобно сразу сохранять длинную версию номера, лишь только редким пользователям стационарных телефонов придется всегда набирать длинные номера в международном формате.

Именно поэтому рекомендуем сохранять контакты в записной книжке своего телефона в международном формате. Такое простое правило позволит позвонить на любой номер, как находясь в России, так и за ее пределами. Тарификация звонков не отличается — стоимость минуты одинаковая как при наборе номера с +7, так и начиная с восьмерки.

Российский номер сотового телефона в международном формате состоит из 11 цифр, где +7 — это международный идентификатор страны, (9хх) — префикс оператора, также показывающий регион регистрации номера, а дальше идет семизначный номер абонента.

Для правильного набора местных номеров в международном формате нужно предварительно выяснить код города.

National conventions for writing telephone numbers vary by country. While international standards exist in the form of recommendation E.123 by the sector ITU-T of the International Telecommunication Union (ITU), national telephone numbering plans define the format of telephone numbers assigned to telephones and similar communication endpoints.

The presentation of telephone numbers in this article does not include any international dialing codes necessary to route calls via international circuits. In examples, a numeric digit is used only if the digit is the same in every number, and letters to illustrate groups. X is used as a wildcard character to represent any digit in lists of numbers.

Africa

Djibouti

All telephone numbers in Djibouti are eight digits long.

Fixed line numbers start with 21 or 27, then a fixed line locality code, followed by four digits.

Mobile numbers start with 77, then a mobile line locality code, followed by four digits.

The international dialing code for Djibouti is +253, so the format becomes «+253 XX YY ZZ ZZ».

Morocco

All telephone numbers in Morocco are 10 digits long (initial 0 plus nine numbers).

Landline numbers start with 05, followed by two digits for the regional area RR, then two digits for the local area LL, then 4 digits for the subscriber number XX XX: («05 RR LL XX XX» or «05RR LL XX XX»).

Mobile numbers start with 06 or 07, followed by the subscriber number («06 XX XX XX XX» or «07 XX XX XX XX»).

The international dialing code for Morocco is +212, so the format becomes «+212 Y XX XX XX XX» or «+212 YXX XX XX XX», also «+212 YXX-XXXXXX» as well, where Y is 5 for landlines or 6/7 for mobile.
Free calling numbers (green numbers) or call center numbers start with 080 or 090.

Kenya

Telephone numbers in Kenya uses a 9 digit format. The 9 digits used for local calls start with a «0» (trunk prefix) for domestic calls, followed by the 3 digit area/provider code and the final 6 digits (07XX XXX XXX). The international code for Kenya is «+254».

South Africa

South Africa uses 10 digit dialling which has been required since 16 January 2007. The 10 digits used for local calls (AAA XXX XXXX or 0AA XXX XXXX) consist of a 3 digit area/type code (the first digit in the area/type code is a trunk prefix) followed by 7 digits. All area codes, including mobile numbers, start with a «0» (trunk prefix) for domestic calls. When dialing from another country, the international calling code for South Africa is «+27» with the rest of the digits excluding the «0» trunk prefix (+27 AA XXX XXXX).

Asia

China

Telephone numbers in China are 10 or 11 digits long (excluding an initial zero which is required at times) and fall in at least four distinct categories:

  1. Landlines: In China, the length of phone numbers varies from city to city. It is usually written as (0XXX) YYY YYYY (For landlines registered in large metropolises, it is written in the format (0XXX) YYYY YYYY), where 0 is the trunk code, XXX is the area code (2 or 3 digits) and YYYY YYYY is the local number (7 or 8 digits). For example, (0755) XXXX YYYY indicates a Shenzhen number. XXXXYYYY is dialed locally, 0755 XXXX YYYY is dialed in other areas inside the country, while, for international calls to Shenzhen, the 0 is dropped and is written +86 755 XXXX YYYY.
  2. Mobiles: The 11-digit code is always written in full in the whole China e.g. 1WX YYYY ZZZZ. Each WX is assigned to a service provider while W is usually ‘3’ through ‘9’. The remaining 8 digits are the subscriber number.
  3. Toll Free: These are usually ten digit numbers beginning with 800 or 400. 800 (toll-free) are accessible only when called from landline phones, while 400 (shared toll) are accessible from all phones. 400 XXX XXXX or 800 XXXX XXXX.
  4. Service numbers: These are usually 3- to 5-digit numbers (e.g. Police is 110) used to access an emergency service (Fire 119, Ambulance 120, Police 110, Roadside assistance 12122) or a value-added service.

Hong Kong and Macau

Every number, except special service numbers, is an 8-digit number; they are grouped as XXXX YYYY. There are no area codes.

India

Telephone numbers in India are 10 digits long (excluding an initial zero which is required at times) and fall in at least four distinct categories:

  1. Landlines: Written as AAA-BBBBBBB, where AAA is the Subscriber Trunk Dialing code (long distance code) and BBBBBBB is the phone number. The total length of the Subscriber Trunk Dialing code and the phone number is 10 digits. The Subscriber Trunk Dialing code can be from 2 digits (11 or 011) up to 4 digits long.
  2. Mobiles: Written as AAAAA-BBBBB for ease of remembering (though the prefix is either 2-digits or 4-digits in the numbering plan). Mobile numbers which are not local need to be prefixed by a 0 while dialing, or by +91 (91 is the country code for India). A mobile number written as +91-AAAAA BBBBB is valid throughout India, and in other countries where the + is recognized as a prefix to the country code. Since 2015, calls from mobile phones to any other mobiles do not need to prefix with a 0. However, calls from landlines to non-local mobile numbers need to be prefixed with 0.
  3. Toll Free: These are usually ten digit numbers beginning with 1-800. Sometimes they are accessible (or are toll-free) only when called from the government-owned telephone corporation, BSNL/MTNL.
  4. Service numbers: These are usually three or four digit numbers (e.g. Police is 100) used to access an emergency service (Fire, Ambulance, Police, Roadside assistance) or a value-added service.

Iran

All telephone numbers in Iran are 11 digits long (initial 0 plus ten numbers). The first two or three digits after the zero are the area code. The possibilities are: (0xx) xxxx xxxx (for landlines), 09xx xxx xxxx (for cellphones) and 099xx xxx xxx (for MVNO).

When making a call within the same landline area code, initial 0 plus the area code must be omitted.

An example for calling telephones in the city of Tehran is as follows:

  • xxxx xxxx (within Tehran, via a landline)
  • 021 xxxx xxxx (Outside Tehran, or via a cellphone)
  • +98 21 xxxx xxxx (outside Iran)

An example for mobile numbers is as follows:

  • 09xx xxx xxxx (in Iran)
  • +98 9xx xxx xxxx (outside Iran)

Japan

The traditional convention for phone numbers is (0AA) NXX-XXXX, where 0AA is the area code and NXX-XXXX is the subscriber number. This number format is very similar to the North American numbering plan, but the country has a trunk code of 0 instead of 1, so international callers (using +81) do not have to dial the trunk code 0 when calling to Japan. Telephone numbers were 9 digits long in Tokyo and Osaka until the late 1990s, when a seventh digit was added to the subscriber number. Densely populated areas have shorter area codes, while rural areas have longer area codes, but the last two digits of a five digit long area code (including the first zero) may also be the first two digits of the subscriber number. Area codes increase from north to south, except in areas such as the western Hokuriku region and the prefecture of Okinawa, where area codes increase from west to east or south to north.

Some telephone numbers deviate from this rule:

  • Toll-free dialing and Navi Dial operations (0120-XX-XXXX, 0570-XX-XXXX, or 0800-XX-XXXX), where XX-XXXX is the subscriber number
  • The area code 050 uses an 11 digit phone number (050-XXXX-XXXX), where XXXX-XXXX is the subscriber number
  • 110 and 119 are examples of three digit emergency numbers

Malaysia

All area codes including mobile start with a «0» (trunk prefix) for domestic calls. If you are dialing from another country the international calling code for Malaysia is «60» which may be confusing; do not dial an extra «0» before the rest of the digits. For fixed line and mobile phone numbers, a dash is written in between the area/mobile code and the subscriber number, with an optional space before the last four digits of the subscriber number. For example, a fixed line number in Kuala Lumpur is written as 03-XXXX YYYY or 03-XXXXYYYY, while a fixed line number in Kota Kinabalu is written as 088-XX YYYY or 088-XXYYYY. A typical mobile phone number is written as 01M-XXX YYYY or 01M-XXXYYYY. Toll-free and local charge numbers are written as 1-800-XX-YYYY and 1-300-XX-YYYY respectively, while premium rate numbers are written as 600-XX-YYYY.

Pakistan

Telephone numbers in Pakistan have two parts. Area codes in Pakistan are from two to five digits long; the smaller the city, the longer the prefix. All the large cities have two-digit codes.

Smaller towns have a six digit number. Large cities have seven-digit numbers. Azad Jammu and Kashmir has five digit numbers. On 1 July 2009, telephone numbers in Karachi and Lahore were changed from seven digits to eight digits. This was accomplished by adding the digit «9» to the beginning of any phone number that started with a «9» (government and semi-government connections), and adding the digit «3» to any phone numbers that did not start with the number «9».[1]

It is common to write phone numbers as (0xx) yyyyyyy, where xx is the area code. The 0 prefix is for trunk (long-distance) dialing from within the country. International callers should dial +92 xx yyyyyyyy.

All mobile phone codes are four digits long and start with 03xx. All mobile numbers are seven digits long, and denote the mobile provider on a nationwide basis and not geographic location. Thus all Telenor numbers (for example) nationwide carry mobile code 0345 etc.

Universal access number

  • 111 xxx xxx

Emergency Service Numbers

  • 1xx
  • 1xxx

Premium Rate services:

  • 0900 xxxxx

Toll free numbers (For callers within Pakistan):

  • 0800 xxxxx

Philippines

Telephone numbers in the Philippines are written as +63 (XXX) YYY ZZZZ for international callers. For domestic calls, the country code (+63) is omitted and a trunk prefix (0) is placed[citation needed]. For local calls, both the 0 and area code are omitted. Mobile numbers are written as +63 (XXX) YYY ZZZZ or 0 (XXX) YYY ZZZZ.

Singapore

In Singapore, every phone number is written as +65-XXXX-YYYY or +65 XXXX YYYY.

Mobile phones starts with 8/9, landline phone numbers starts with 6 while VOIP numbers starts with 3.

Subscriber numbers have 8 digits and there are no area codes.

Sri Lanka

Except for short codes and emergency numbers, all telephone numbers in Sri Lanka are ten digits long (initial 0 + nine numbers).

Landline phone numbers begin with the area code, then one digit for the operator code, then six digits for the primary telephone number.

Format: (XXX Y ZZZZZZ) where:

  • «xxx» denotes the area code. All area codes begin with the number 0.
  • The operator code for fixed (landline) numbers is «y».
  • «zzzzzz» denotes the primary telephone number, which has six digits.

Mobile numbers start with the mobile operator code (which begins from 07X, followed by seven digits for the main telephone number).

Format: (XXX ZZZZZZZ) where:

  • When dialing a mobile number, «xxx» represents the mobile operator code. All mobile operator codes begin with the number 07.
  • «zzzzzzz» represents the main telephone number of seven digits.

The international dialing code for Sri Lanka is +94, so the format becomes «+94 XX Y ZZZZZZ» for landlines and the format becomes «+94 XX ZZZZZZZ» for mobile numbers.[2]

South Korea

South Korean phone numbers can be as short as 7 digits and as long as 11 digits, because, when making a local call (i.e. in the same city), there is no need to dial the area code. South Korean area codes are assigned based on city.

Landline phone numbers

Landline home numbers are usually written as: 0XX-XXX-XXXX or (0XX) XXX-XXXX where 0XX indicates an area code. (0XX) XXX-XXX and 0XX XXX XXXX (without hyphens) are comprehensible as well. The area code may be two digits long for some cities such as Seoul and Gwacheon (these two cities use the same area code) and three digits for other cities such as Incheon, Busan and most of the cities in Gyeonggi-do. The middle three-digit part is extended to four digits in many areas due to the increased number of telephone users.

In the international context, 82 0XX-XXX-XXXX is commonly used as well. For international calls, «0» in the area code is often omitted, because it is not necessary to dial 0 from foreign countries. Therefore, it is better written as: 82-(0)XX-XXX-XXXX or 82-(0)XX-XXXX-XXXX The plus (+) sign is often added to the country code too (e.g., +82 0XX-XXX-XXXX or +82-0XX-XXXX-XXXX).

Mobile phone numbers

For mobile numbers, 016490641 so on. As with the landline home numbers, the mobile numbers’ middle three-digit part is extended to four digits (e.g., 016490641) due to the increased number of mobile phone users.

Business numbers

If a number starts with 070, the number does not belong to any particular area, and is a number given by an Internet telephone service. In this case, 070 is not usually put in the brackets, neither ( ) nor ).

In the business context, the numbers in the format of 15XX-XXXX and 16XX-XXXX are business representative agency or customer services. While the numbers starting with 080 (e.g., 080-XXX-XXXX) are also business-related numbers but are usually toll-free customer service centers. Also in this case, 15XX, 16XX or 070 are not put in the brackets, neither ( ) nor ).

National service numbers

There are national telephone services which have phone numbers in the format of 1XX or 1XXX, without any area code. For example, 114 is for telephone yellow page, 119 is for fire/emergency number, 112 is for police station center, 131 is for weather forecast information, 1333 is for traffic information, and so on. The number 111 is for reporting spies, especially from North Korea. It used to be 113, so most of senior citizen still believe it is the number for reporting spies. These numbers do not need any brackets.

Alternative numbers

If there are multiple numbers used for one person/entity, the symbol «~» is usually used to avoid repetitions. For example, if one company has three phone numbers—031-111-1111, 031-111-1112 and 031-111-1113—then they are shortened as in 031-111-1111~3.

If the numbers are not consecutive, then the last digit is written together with commas. For example, if a company has three numbers—031-111-1111, 031-111-1115, 031-111-1119, then they are shortened as in 031-111-1111, 5, 9.

Taiwan

Landline numbers in Taiwan are written with the area code in parenthesis [with phone numbers total 9 digits]
Example: (02) XXXX YYYY for phone numbers in Taipei area.

Mobile phones have 3 digit «company code» assigned to different mobile service carriers such as (09**) XXXXXX followed by a 6 digit phone number.
(note: Mobile carriers could have multiple company codes)

Thailand

All numbers in Thailand, whether for landlines or mobile reception, consist of eight digits, xxxx xxxx in the government’s official format. When calling domestically, landline numbers are preceded by a zero (0 xxxx xxxx, example 0 5381 0595) while mobile numbers are preceded by 0 plus one digit (0x xxxx xxxx, example 06 9756 4509). Thais often confuse the current numbering system with the old provincial area code system, which no longer exists as area codes were integrated into all phone numbers in 2005. Because of this, unofficially people often write numbers as 0xx xxx xxx (053 810 595). Calling a Thai phone number from outside Thailand, one drops the 0 and adds the +66 country code. Example +66 5381 0595.[3]

Oceania

Australia

Most Australian telephone numbers are 10 digits long, and are generally written 0A BBBB BBBB or 04XX XXX XXX for mobile telephone numbers, where 0A is the optional «area code» (2,3,7,8) and BBBB BBBB is the subscriber number. (http://www.acma.gov.au/Industry/Telco/Numbering/Numbering-Plan/phone-number-meanings-numbering-i-acma)

When the number is to be seen by an international audience, it is written +61 A BBBB BBBB or +61 4XX XXX XXX. When written for a local audience, the optional area code is omitted. The area code is often written within parentheses (0A) BBBB BBBB. Mobile numbers should never have parentheses.

Ten-digit non-geographic numbers beginning with 1 are written 1X0Y BBB BBB, where X = 8 for toll free numbers, X = 3 for fixed-fee numbers and X = 9 for premium services. Six-digit non-geographic numbers are written 13 BB BB or 13B BBB; these are fixed-fee numbers. Seven-digit 180 BBBB numbers also exist. ‘B’s are sometimes written as letters.

New Zealand

Almost all New Zealand telephone numbers are seven digits long, with a single-digit access code and a single-digit area code for long-distance domestic calls. Traditionally, the number was given as (0A) BBB-BBBB, with the two first digits (the STD code) often omitted for local calls. The brackets and the dash are also often omitted. Mobile numbers follow the same format, but with the area code being two digits, i.e. (02M) BBB-BBBB. ( Some mobile numbers are longer: (021)02BBBBBB, (021)08BBBBBB, (020)40BBBBBB, (020) 41BBBBBB and (028) 25BBBBBB; and some are shorter: (021)3BBBBB, (021)4BBBBB, (021)5BBBBB, (021)6BBBBB, (021)7BBBBB, (021)8BBBBB and (021)9BBBBB)

There are also free-phone numbers (starting with 0800 or 0508) that are given in the format 0800-AAA-AAA. It is not uncommon for the 0800 and 0508 to be enclosed in brackets, although this is not strictly correct as the brackets denote optional parts of the number, and the 0800 and 0508 is required.[4]

Recently with 8 digit mobile numbers becoming more common the prefix-4 digits-4 digits format has been adopted for readability: 022 1234 5678.

For international use, the prefix +64 is substituted for the leading zero, giving +64-A-BBB-BBBB for land-lines, and +64-MM-BBB-BBBB for mobile numbers.

Europe

Belgium

Belgian telephone numbers consist of two major parts: Firstly ‘0’, secondly the «zone prefix» (A) which is 1 or 2 digits long for landlines and 3 digits long for mobile phones and thirdly the «subscriber’s number» (B).

Land lines are always 9 digits long. They are prefixed by a zero, followed by the zone prefix. Depending on the length of the zone prefix, the subscriber’s number consists of either 6 or 7 digits. Hence land line numbers are written either 0AA BB BB BB or 0A BBB BB BB.

Mobile phone numbers always consist of 10 digits. The first digit of the «zone prefix» of a mobile number is always ‘4’. Then follows 2 digits indicating to which Mobile Operator’s pool the number originally belonged when it was taken into usage. The fourth digit represents a «sub-group» of this pool and has no additional meaning other than increasing the amount of possible numbers. The subscriber’s number consists of 6 digits. Hence, mobile phone numbers are written 04AA BB BB BB. Sometimes, the last 6 digits are written in two groups of 3 digits to increase readability: 04AA BBB BBB.

Numbers are sometimes written with a slash in between the zone prefix and the subscriber’s number. This is the case for both land lines and mobile phone numbers. Sometimes, dots are written between the blocks of the subscriber’s number. Examples: 0AA/BB BB BB, 0AA/BB.BB.BB; for mobile numbers: 04AA/BB BB BB, 04AA/BB.BB.BB or 04AA/BBB.BBB.

The international code prefix for Belgium is «+32». When dialing a number with the prefix, the 0 can be dropped, e.g.: +32 9055.

Denmark

Danish telephone numbers are eight digits long and are normally written

  • in four groups of two digits each, with the groups separated by spaces: AA AA AA AA,
  • in two groups of four digits each, with the groups separated by a space: AAAA AAAA,
  • in one group of two digits followed by two groups of three digits each, with the groups separated by spaces: AA AAA AAA, or
  • all in one go: AAAAAAAA.

The third option, AA AAA AAA is not commonly used for personal (landline or mobile) numbers, but is mostly found in corporate numbers, especially in advertizing. The standard formats – which when spoken divide numbers into ranges from 00 (zero zero) to 99 (ninety-nine) – limit the possible range of the ability to create telephone numbers that are easy to remember; dividing the numbers into groups of three expands the mnemonic possibilities.

Danish emergency and service numbers are three digits long and are written AAA. Danish short numbers used for text messaging services are four digits long and are written AAAA.

Finland

France

French telephone numbers are 10 digits long, usually written in groups of two separated by spaces, in the format 0A BB BB BB BB where 0 (the trunk prefix) was created in 1996 to be a carrier selection code, and A is the «territorial area code» included in the subscriber number A BB BB BB BB.

Sometimes, it is also written in the format 0A.BB.BB.BB.BB using periods instead of spaces, but this is less common.

The A (territorial area code) can be 1 to 5 (for geographic-based numbers, according to location: Paris/Suburbs, northwest France, northeast France, southeast France, and southwest France, respectively), and it designates nationwide numbers when it is 6 or 7 (mobile numbers), 8 (special numbers), or 9 (phone over IP over xDSL/non-geographic numbers).

The numbering plan is a closed one; all digits must always be dialed.

The first two or three B can designate the area (old area code) for geographic numbers, or the operator to whom the number resource belongs.

There are also «short numbers» for emergencies (such as 112), that are written 1C or 1CC; and short numbers for special services, written 10 CC, 11C CCC, or 36 CC. 00 is the international access code.

International format is +33 A BB BB BB BB where the leading trunk prefix 0 disappears (it must not be dialed from abroad). This format can be directly used in mobile phones.

Germany

German telephone numbers have no fixed length for area code and subscriber number (an open numbering plan).

There are many ways to format a telephone number in Germany. The most prominent is DIN 5008 but the international format E.123 and Microsoft’s canonical address format are also very common.

Trunk access code is 0 and international call prefix code is 00.

Form Example
DIN 5008 0AAAA BBBBBB
DIN 5008 with Extension 0AAAA BBBBBB-XX
DIN 5008 international +49 AAAA BBBBBB
E.123 local (0AAAA) BBBBBB
E.123 international +49 AAAA BBBBBB
Microsoft +49 (AAAA) BBBBBB
Old 0AAAA-BBBBBB
Very old 0AAAA/BBBBBB-XX

Numbers are often written in blocks of two. Example: +49 (A AA) B BB BB (Note the blocks go from right to left)

The very old format and E.123 local form are often used by older people but also for technical reasons.

Greece

Greek telephone numbers are ten digits long, and usually written AAB BBBBBBB or AAAB BBBBBB where AAB or AAAB is the 2- or 3-digit national area code plus the first digit of the subscriber number, and BBBBBBB or BBBBBB are the remaining digits of the subscriber number. The entire number must always be dialed, even if calling within the same local area; therefore, the national destination code is not separated from the subscriber number. According to international convention, numbers are sometimes written +30 AAB BBBBBBB or +30 AAAB BBBBBB to include the country calling code.

Hungary

In Hungary the standard lengths for area codes is two, except for Budapest (the capital), which has the area code 1. Subscribers’ numbers are six digits long in general. Numbers in Budapest and cell phone numbers are seven digits long.

Iceland

Phone numbers in Iceland are seven digits long and generally written in the form XXX XXXX or XXX-XXXX.

Ireland

Phone numbers in Ireland are part of an open numbering plan with varying number lengths. The area code system similar to some other northern European countries. Unlike the UK, Irish fixed line numbering is divided into a number of regions which are (except Dublin) further subdivided in a hierarchical structure, with the largest town often (but not always) taking 0A1.

Area codes start with a trunk prefix «0» and extend for up to four digits but usually 3; followed by the local phone number of up to seven digits.

In industry jargon, these area codes and prefixes are referred to as NDCs (National Dialing Codes). This is the term used by ComReg and technical documents, as they include non-geographic codes. Historically, like the UK, the term STD code (Subscriber Trunk Dialling) was used.
However, the terminology is archaic and is no longer universally understood and should not be used to avoid confusion.

Dublin uses the shorter (01) code which is not further subdivided. Other cities and major towns usually have codes ending in 1. Cork for example is 021, Galway 091, Limerick 061 etc.

The leading zero is always omitted when dialling from outside the country.

Local phone numbers are either 5, 6 or 7-digits long. In 7-digit numbering they are usually grouped as BBB BBBB, 6-digit numbers are grouped BBB BBB and 5-digit numbers are normally all grouped together BBBBB

Grouping of numbers is not strictly adhered to, but usually fairly consistent. The area code should always be kept separated with a space or surrounded by brackets and not merged into the local number.

The use of hyphens is discouraged, particularly on websites as it can prevent mobile browsers identifying the number as a clickable link for easier dialling.

Fixed line numbers are normally presented as follows:

  • 01 BBB BBBB for a Dublin number (7 digit)
  • 021 BBB BBBB for a Cork number (7 digit)
  • 064 BBB BBBB for a Killarney number (7 digit)
  • 061 BBB BBB for a Limerick number (6 digit)
  • 098 BBBBB for a Westport number (5 digit)
  • 0404 BBBBB for a Wicklow number (5 digit)

Area codes may also be surrounded by brackets, but this practice is falling out of use, as local dialing without the area code is optional on landlines and the area code must always be dialled on mobile phones.

The Irish telecommunication regulator, ComReg has been gradually rationalising area codes by merging and extending local numbering to 7-digits in the format 0AA BBB BBBB. This is being carried out only where necessary to avoid disruption. This means that varying fixed line number lengths will continue to exist in Ireland for the foreseeable future.

Mobile numbers are presented as follows:

08A BBB BBBB

Brackets should not be used around the mobile prefix as it is never optional and must always be dialled, even from another phone with the same prefix.

Special rate numbers, such as free phone/toll free and premium rate are usually grouped:

Freephone: 1800 BB BB BB or (spoken as one-eight-hundred)
Local rate: 1850 BB BB BB (eighteen-fifty)
1550 BB BB BB (read as fifteen-fifty)

However, for memorability, this is not consistently adhered to.

Alphanumeric characters can also be used in presenting numbers for added memorability, but it is much less common than in North America

For example:
18AA 99 TAXI

Note: These special rate numbers are not reachable from outside Ireland and should never be presented as +353 1800 or +353 1550 etc. as this would result in a connection to an unrelated Dublin landline in the +353 1 BBB BBBB range.

[5]

Italy

Phone numbers in Italy have variable length. There’s no well established convention about how to group digits or which symbol to use, but this is hardly an issue since all the digits are always dialed.

Netherlands

Since 10 October 1995 (Operation Decibel) all telephone numbers in the Netherlands are 10 digits long (including the trunk prefix ‘0’). The area code (‘A’) is commonly separated with a dash (‘-‘) and sometimes a space from the subscriber’s number (‘B’). Alternatively, the area code (including the trunk prefix) can be enclosed in parentheses.

The length of the area code for landlines is either 2 or 3 digits, depending on the population density of the area. This leaves 7 or 6 digits for the subscriber’s number, resulting in a format of either 0AA-BBBBBBB or 0AAA-BBBBBB. Cellphone numbers are assigned the 1-digit area code 6, leaving 8 digits for the subscriber’s number: 06-CBBBBBBB, where subscriber’s number (‘C’) is neither 6 nor 7. Service numbers (area codes 800, 900, 906 and 909) have either 4 or 7 remaining digits, making them 8 or 11 digits in total: 0AAA-BBBB or 0AAA-BBBBBBB. The area code 14 has no trunk prefix and is used for government numbers, currently only for municipalities. The remaining digits represent the area code of the municipality. Therefore, the length 14 numbers total either 5 or 6 digits: 14 0AA or 14 0AAA

The trunk prefix ‘0’ is dropped when prefixed by the country code: +31 AA BBBBBBBB, +31 6 CBBBBBBB, etcetera. Note that there is not a trunk prefix for the 14 series so the international number becomes +31 14 0AAA.

Norway

Norwegian telephone numbers are 8 digits long. A number to a fixed line is written in four groups of two separated by spaces, AA AA AA AA. Phone numbers in 8xx series is written in three groups, AAA AA AAA. This makes it easy to determine if the B-number is SMS capable. Mobile numbers start with 4 or 9.

Poland

Telephone numbers in Poland are 9 digits long. For mobile phones, the preferred format is AAA-AAA-AAA. For landline phones, the preferred format is AA-BBB-BB-BB, where AA is area code. Occasionally, you can encounter numbers formatted as (AA) BBB-BB-BB. Omitting area code is not permitted, because nowadays it is always required.

Portugal

Telephone numbers in Portugal Country code +351 are 9 digits long. According to present day a number to a fixed line is written in three groups of two separated by spaces, AAA AAA AAA. Cellphone numbers are written in three groups, AAA AAA AAA. Mobile numbers start with 9.

Romania

Starting with 2002 phone numbers in Romania are 10 digits long, the first digit always being 0. The preferred format is AAAA-AAA-AAA for mobile, except for landline phones in Bucharest where the preferred format is AAA-AAA-AA-AA.

Russia

Russia has an open numbering plan with 10-digit phone numbers. Trunk prefix is 8 (or 8~CC when using alternative operators, where CC is 21–23, 52–55). International call prefix is 8~10 (or 8~CC when using alternative operators, where CC is 26–29, 56–59). The country code is +7.

Length of geographical area codes (A) is usually 3 to 5 digits; length of non-geographical area codes is 3. The groups of digits in the local subscriber’s number (B) are separated by dashes (‘-‘): BBB-BB-BB, BB-BB-BB, B-BB-BB. The area code is included in parentheses, similarly to E.123 local notation: (AAA) BBB-BB-BB, (AAAA) BB-BB-BB, (AAAAA) B-BB-BB.

Area code dialing is optional in most geographical area codes, except Moscow (area codes 495, 498, 499); it is mandatory for non-geographical area codes. E.123 international and Microsoft formats are used for writing local phone numbers as well; international prefix and country code +7 are replaced with trunk code 8 (or 8~CC) when dialing a mandatory area code.

Even though trunk code is not needed for calls within the same geographical area, recent convention adds the default trunk code to the phone number notation: 8 (AAAA) BB-BB-BB. For mandatory area code dealing plans, notation 8 AAAA BB-BB-BB is used. These formats are a mix of Microsoft format and E.123 local notation.

Mobile phones require full 10-digit number which starts with 3-digit non-geographical area codes 900–990. For international calls abroad or international roaming calls to Russia, E.123 international notation with an international call prefix ‘+’ is the only allowed calling number format. For local calls both 8 and +7 are accepted as a trunk code.

Form Example
Old BBB-BB-BB
Old with area code (AAA) BBB-BB-BB
Conventional 8 (AAA) BBB-BB-BB
Microsoft +7 (AAA) BBB-BB-BB
Conventional (mandatory area code) 8 AAA BBB-BB-BB
E.123 international +7 AAA BBB BB BB

Spain

Spanish telephone numbers are nine digits long, starting with ‘9’ or ‘8’ for fixed lines (excluding ’90x’ and ’80x’) or with ‘6’ or ‘7’ for mobile phones.

The first group in fixed lines always identifies the dialed province. That group might be of 2 or 3 digits; for example, 91 and 81 are for Madrid while 925 and 825 are for Toledo. The second group is always of 3 digits as it formerly identified the telephone exchange (it now identifies the telephone area).

When the first group is 2 digits long (as in Madrid), the number is usually written in four groups of 2-3-2-2 digits (AB CCC DD DD)

When the first group is 3 digits long (as in Toledo), the number is usually written in 3 groups of 3 digits (ABB CCC DDD) but the form 3-2-2-2 (ABB CC CD DD) is not uncommon.

Mobile numbers are usually grouped by threes, ABB CCC CCC, but the form 3-2-2-2 is also seen.

Sweden

Swedish telephone numbers are between eight and ten digits long. They start with a two to four digit area code. A three digit code starting with 07 indicates that the number is for a mobile phone. All national numbers start with one leading 0, and international calls are specified by 00 or +. The numbers are written with the area code followed by a hyphen, and then two to three groups of digits separated by spaces.[6]

Type Format
National 10 digit
0A-XXX XXX XX or
0AA-XXX XX XX or
0AAA-XX XX XX
National 9 digit
0A-XXX XX XX or
0AA-XX XX XX or
0AAA-XXX XX
National 8 digit
0A-XX XX XX or
0AA-XXX XX
Mobile 10 digit
07A-XXX XX XX or
07AA-XX XX XX
International
+CC AAA-XXX XX XX or
00CC AAA-XXX XX XX

Switzerland

Swiss telephone numbers are ten digits long, and usually written 0AA BBB BB BB where 0AA is the national destination code and BBB BB BB is the subscriber number. The entire number must always be dialed, including the leading 0, even if calling within a local area, therefore the national destination code is not separated from the subscriber number. According to international convention, numbers are sometimes written +41 AA BBB BB BB to include the country calling code. Certain nationwide destination codes, such as for toll-free or premium-rate telephone numbers, are written 0800 BBB BBB or 0900 BBB BBB. Short numbers are used for emergency services such as 112 that are written 1CC or 1CCC.

Turkey

In Turkey the format for telephone numbers is commonly seen as 0BBB AAA AA AA. While landline numbers having the prefix 02BB AAA AA AA, 03BB AAA AA AA, or 04BB AAA AA AA[7] mobile numbers have the prefix 05BB AAA AA AA. Landline area codes are separated by cities and only one city, Istanbul, has two area codes: 216 for the Asian side, and 212 for the European side. Mobile numbers however are separated by carriers. There are three mobile carriers in Turkey: Vodafone TR, Turkcell and Turk Telekom. Turkcell has the prefix 053B AAA AA AA, Vodafone TR has the prefix 054B AAA AA AA, and Turk Telekom has the prefix 055B AAA AA AA.

Since 9 November 2008, with the passing of the Number Carriability Regulation by ICTA, mobile numbers can be carried from one mobile carrier to the other, without having to change the prefix.[8] This caused dialing 05BB to call another number on the same carrier to become mandatory. Calls to numbers which were carried to another operator are signaled by a unique sound upon dialing, to signify that the recipient is on another network and alert them against potentially unwanted interconnection charges. The same regulation passed on 10 September 2009 regarding landline numbers, without the requirement to dial the prefix among numbers with the same geographical area, sharing the same prefix.

The «0» on every prefix is an Area Code Exit code that must be dialed when a number with a different area code is being called. So when calling from outside of Turkey those 0s are not dialed. The dialing format when calling from outside Turkey is +90 BBB AAA AA AA and NOT +90 0BBB AAA AA AA. Unlike the North American system, the Country Exit Code isn’t 011 but 00. So it is one «0» to exit area and one more «0» to exit the country.

Ukraine

There are many recommendations for recording phone numbers. The most common in the world is Recommendation E.123 E.123 International Telecommunication Union[9]
and the standard format for Microsoft telephone numbers Microsoft.[10]

There is an international format for recording a telephone number containing the country code, settlement code and telephone number, and the national format containing the settlement code and telephone number.

To record Ukrainian telephone numbers, it should be remembered that the country code for Ukraine is: +380, telephone codes for settlements do not have an initial zero, long-distance prefix: 0.

Writing telephone numbers
Phone number Note
+380 44 123 45 67 E.123, international format: country code, settlement code and telephone number are separated by spaces
(044) 123 45 67 E.123, national format: long-distance prefix and city code in parentheses (national format: long-distance prefix and settlement code in parentheses due to possible confusion needs constant additional clarification), п. 2.8 [9] ), the phone number is separated from the code and separated by spaces
+380 (44) 1234567 Microsoft, international format: country code, space code, settlement code in brackets, space code, telephone number.

Often, they mistakenly write down phone numbers, transferring the last zero from the country code to the settlement code, for example:+38 044 1234567 or +38 (044) 1234567. Such entry is incorrect because the telephone code of Ukraine is +380, and the codes of settlements or codes of mobile networks cannot begin with “0” or “1”.

United Kingdom

Dialling codes, also known as «area codes» are optional for local callers (often surrounded by parentheses, or separated with a dash), though there are trials running to make them mandatory,[11] and are followed by the customer’s telephone number.

Codes with the form 02x are followed by 8-digit local numbers and are usually written as 02x AAAA AAAA or (02x) AAAA AAAA. Area codes with the form 011x or 01×1 are used for many of the major population centres in the UK, are always followed by 7-digit local numbers and are usually written as 01xx AAA BBBB, (01xx) AAA BBBB or 01×1-AAA BBBB (the latter formerly the recommended format for six major metropolitan areas in the UK). Other area codes have the form 01xxx with 5 or 6 figure local numbers written as 01xxx or (01xxx) followed by subscriber number AAAAA or AAAAAA; or have the form 01xx xx with 4 or 5 figure local numbers written as 01xx xx or (01xx xx) followed by subscriber number AAAA or AAAAA.

Numbers for mobile phones and pagers are formatted as 07AAA BBBBBB and most other non-geographic numbers are 10 figures in length (excluding trunk digit ‘0’) and formatted as 0AAA BBB BBBB. However, these numbers are sometimes written in other formats. 9 figure freephone numbers are 0500 AAAAAA and 0800 AAAAAA and there is one number of 8 figures length: 0800 1111 (Childline).

Domestically, there are also a number of special service numbers such as 100 for the operator, 123 for the speaking clock and 155 for the international operator, as well as 118 AAA for various directory enquiry services, and 116 AAA for various helplines. For some services, the number you call will depend on which operator you use to connect the call. 112 and 999 work for calling the emergency services. These numbers cannot be called from abroad.

When calling from abroad, the initial ‘0’ trunk prefix is not required; it is, however, commonplace to represent telephone numbers with both the international code and the ‘0’ trunk prefix — which is typically placed within parentheses — but this representation is inconsistent with the E.123 international standard.[12]

North America

United States, Canada, and other NANP countries

Twenty-four countries and territories share the North American Numbering Plan (NANP), with a single country code, 1. The formatting convention for telephone numbers is NPA-NXX-XXXX, where NPA is the three-digit area code, and NXX-XXXX is the seven-digit subscriber number.[13]
NPA has the same syntax of NXX since the implementation of interchangeable area codes in 1995. The prefix NXX of the subscriber number is a code for the central office, unique in the numbering plan area. The place holder N stands for the digits 2 to 9, as the subscriber number may not begin with the digits 0 and 1. It is a closed telephone numbering plan in which all subscriber telephone numbers have seven digits, in addition to the three-digit area code.

Under all-number calling, a numbering plan introduced around 1960, local calls within an area code were placed by dialing NXX-XXXX, omitting the area code, known as seven-digit dialing. Only calling a destination in a different area code required dialing the destination area code, known as ten-digit dialing. Due to the need for a larger telephone number pool in many regions, seven-digit dialing is becoming rare in the United States. With the rapid growth of telephony in the late 20th century, many metropolitan areas saw the introduction of additional area codes. Multiple area codes were assigned to the same numbering plan area, a configuration known as an overlay numbering plan. Calls within an overlay are still local calls, despite the need for ten-digit dialing.

In general, placing long-distance calls requires dialing the trunk code 1, but this may be optional in some areas.

Canada

Canada is a member of the North American Numbering Plan, but administers its numbering resources individually, under guidance from the NANP Administrator. The Canadian government has stated on its Language Portal of Canada that telephone numbers are to be written with a hyphen between each sequence, as follows: 1-NPA-NXX-XXXX or NPA-NXX-XXXX.[14] 10-digit dialing is now required throughout most of Canada, including all of British Columbia, Alberta, Saskatchewan, Manitoba, Quebec, Nova Scotia, and Prince Edward Island, as well as most of Ontario. Areas not yet requiring 10-digit dialing are Ontario’s 807 area code, Newfoundland, New Brunswick, the Yukon, Northwest Territories, and Nunavut, although 10-digit dialing may be accepted in some of these areas.

In the province of Québec, where French is the first language, the Office québécois de la langue française has established that telephone numbers must be written with spaces first and then a hyphen for the last sequence, as follows: 1 NPA NXX-XXXX.[15] Educational institutions of Quebec will mark improperly written telephone numbers as orthographical mistakes in academic texts.[citation needed]

Mexico

Mexican telephone numbers have ten digits. They can consist of a two-digit (NN) area code and an eight-digit local number (ABCD XXXX) or a three-digit area code (NNN) with a seven-digit local number (ABC XXXX).

As of August 3, 2019 all the indicators and access codes (01, 044, 045) are deprecated, therefore all telephone numbers, for landline or mobile service, are dialed with ten digits.[16]

The formatting convention of a telephone number is

  • ABCD XXXX or NN ABCD XXXX or (NN) ABCD-XXXX
  • ABC XX XX or NNN ABC XXXX or (NNN) ABC-XX-XX

The international country code prefix for Mexico is 52. When dialing a number it must be formatted as «plus sign + country code + 10-digit number» e.g.: +52 NNN ABC XXXX

Central America

Some Central American countries write the country code for their own and other Central American countries in parentheses, instead of using a + sign, as recommended by E.123. For example, for a number in Costa Rica they would write (506) 2222-2222 instead of +506 2222-2222. On the other hand, Guatemala does have the custom of using the + sign. It is quite common for Central American businesses to write the whole phone number, including the country code in parentheses, on business cards, signs, stationery, etc.

Costa Rica

Costa Rican telephone numbers are 8 digits long, and are usually written in the format 2NNN-NNNN (for landlines), 8NNN-NNNN (for mobile telephone numbers from local telephone company ICE), 6NNN-NNNN (for mobile telephone numbers from Movistar) and 7NNN-NNNN (for mobile phone numbers from Claro).[17] Toll-free numbers use the format 800-NNN-NNNN and premium-rate telephone numbers are written 90x-NNN-NNNN where x varies according to the type of service offered. There are also «short numbers» for emergencies such as 911.

When Costa Rica switched from 7 to 8 digit numbers, it used a scheme similar to the 8 digit number scheme already in place in El Salvador at that time.

El Salvador

El Salvadoran telephone numbers are 8 digits long, usually written in the format 2NNN-NNNN (for landline use) and 7NNN-NNNN (for mobile telephone numbers). Premium-rate numbers start with a 9.

Guatemala

Guatemalan telephone numbers are 8 digits long and written in the format 2NNN-NNNN for landlines in Guatemala City, 6NNN-NNNN for landlines for the rest of municipalities in the Guatemala Department, and 7NNN-NNNN for landlines in Rural Guatemala / rest of country. Non-geographic numbers (mobile) are 5NNN-NNNN, 4NNN-NNNN, and 3NNN-NNNN. Within each area, there are different service providers. The following 3 digits indicate the service provider. However, their assignment is on a first-come first-served basis.

Additionally there are special numbers with the following conventions: 3 digit numbers for emergency systems, four digit numbers, 15NN for information and governmental institutions and 17NN for commercial and banking institutions with a high call influx, 6 digit numbers for Telephone carriers numbers and making operator assisted calls, collect calls. These calls are billed at different rates. 1-800: Toll-free calls redirected to out of country offices and 1-801: Local toll-free calls.[18]

Honduras

Honduran telephone numbers have either 7 digits (for landlines), which are usually written NNN-NNNN, or 8 digits (for mobile numbers), which are written NNNN-NNNN. The fact that landline and mobile numbers are different lengths sometimes causes confusion.

In 2010, an additional digit (2) was added to the start of land line numbers, thus standardizing the length at 8 digits.

South America

Argentina

Argentine telephone numbers always consist of 11 digits, including the geographical area code.

Area code

The area code can have 3, 4 or 5 digits, the first being always 0 (indicative of long distance calls). Moreover, in 1999 the whole country (except Buenos Aires, and Greater Buenos Aires) was divided into two zones. Roughly and with exceptions, one includes most of the northern half of the country; and the other, most of the southern half, though the actual reason for this division is not geographical, but the fact that each zone is administered by a different company.

So, the second digit of area codes can be 1 (only in Buenos Aires and Greater Buenos Aires code «011») or else a 2 (for towns in the southern half of the country) or a 3 (for the northern half). For example, (011) for Buenos Aires, (0341) for Rosario, (02627) for San Rafael. And the subscriber’s number will accordingly have 6, 7 or 8 digits, to complete the eleven digits.

Phone numbers are mostly written as:

  • (011) xxxx-xxxx (Note that only the (011) code has 3 digits),
  • (0xxx) xxx-xxxx or
  • (0xxxx) xx-xxxx

The area code is usually written between brackets.

Subscriber number

In 1999, a general reform was introduced to telephone numbers, including the 1, 2 and 3 for area codes as explained above, and adding a 4 at the beginning of all subscriber’s numbers. However, since the reform some local numbers starting with a 5 are beginning to appear. Moreover, a hyphen is usually placed to separate the last four digits. Code areas do not usually include one single city or town, but several neighbouring towns. So, the part before the hyphen (called a prefix) is usually indicative of either a town within the code area, or even of a part of a larger city, which is assigned several prefixes. As a matter of fact, each area code has only a limited number of prefixes assigned, and these are locally limited within the area.

For example, the (0342) area has numbers with a 456- prefix, mostly located in the centre of Santa Fe. It also has numbers with a 460- prefix, usually for phone lines in the north east of the city. And there are lines with a 474- prefix, located in Santo Tomé. But no 444- prefix exists within this area. As for the part after the hyphen, it may usually be any succession of four digits, though sometimes a prefix is shared by two or more small towns, and then, the first digit after the hyphen carries the distinction between towns.

Sometimes, a prefix is reserved for official numbers, that is for offices depending on the national, provincial or local state. In the (0342) area, this is 457-, and phones within this prefix communicate with each other, by simply dialing the four final digits, though from other phones the prefix must be dialled as well.

Mobile phones

Mobile phones use the same area codes as landline telephones, but the number begins with a «15», added to a string of 6, 7 or 8 digits, just as described above. After the «15», the remainder of the number can start with a 3, a 4, a 5 or a 6. This «15» may be dropped when a call is made to a mobile phone in a different code area. And when sending text messages, the receiver’s number is best dialled both without the «15» and with the long distance code, even if both sender and receiver share a code area, but without the initial «0».

To sum up, given the mobile phone (011) 154-123-4567, you will call it by dialing:

  • 154-123-4567 (within the same code area),
  • (011) [15]4-123-4567 (from a different code area, including or omitting the 15),

And you will send messages to:

  • 11 4-123-4567 (even when your phone has also a 011 number).

Special numbers

Two sorts of special numbers exist in Argentina. On the one hand, three-digit numbers are used for special services such as to call the police, fire brigade or emergency doctors, as well as to hear the official time. Also telephone companies have three-digit numbers to report a problem in the lines, or to ask for another subscriber’s number, when a paper directory is not available.

Additionally, there are other longer numbers. These include (but are not limited to):

  • 0800 xxx abcd
  • 0810 xxx abcd
  • 0600 xxx abcd

(where the xxx indicates the same digit dialled three times, and a, b, c and d may each be any of the ten digits)

0800 lines are used by companies, and it is the receiver and not the caller who pays for the call, so that potential clients are encouraged to contact business companies for free.

0810 lines are paid by the caller, but the cost is for a local call, even if you are calling from a different area. The remaining is covered by the receiver.

And 0600 numbers are special more expensive lines, that serve such purposes as TV games, fund collecting for charity companies, hot lines, etc. Basically a part of the extra money charged to the caller is sent to the owner of the line.

Often the abcd or even (xx)xabcd part of the number is chosen, if available, to form a word that is representative of the company holding the number.

Brazil

Brazil is divided into 67 two-digit geographical area codes, all of which with eight-digit numbers, in the format AA NNNN-NNNN, except for cell phones, which contain nine digits, usually in the format AA 9NNNN-NNNN.

Peru

Peru uses 2-digit area codes followed by 6-digit subscriber numbers outside of Lima. In Lima the area code is «1» and the subscriber number has 7 digits, divided XXX XXXX. The «trunk 0» is often used, especially for numbers outside Lima. For example, a phone number in Arequipa might be written (054) XX-XXXX.

Cellphone numbers used to have 8 digits with the first digit always being 9. In 2008 an additional digit was added to cellphone numbers, while land numbers remained the same. The previous convention for cell numbers in Lima was usually 9XXX XXXX, though 9-XXX XXXX was also used. With the new 9-digit number, the form 9XX XXX XXX is becoming increasingly common as opposed to 9 XXXX XXXX, 9X XXX XXXX or 9XXXX XXXX.

Outside Lima cellphone numbers used to be 9 followed by six digits, i.e., 9 XXX XXX. The 2008 changes were somewhat more complicated. In four departments (similar to states), a 2 digit code now has to be entered before the 9. In the example of Arequipa, the code of 95 has to be entered before the 9, so the new numeration is 959 XXX XXX. The other codes are 94 for La Libertad (Trujillo), 96 for Piura and 97 for Lambayeque (Chiclayo). In the other 19 rural departments, the 9 is followed by the department’s 2-digit area code then the 6-digit subscriber number. For example, the area code for Cusco is 84, so their new cellphone numeration is 984 XXX XXX. The effect is that all Peruvian cellphone numbers now have 9 digits; under the old system they had 8 digits in Lima and 7 everywhere else.[19]

International Telecommunication Union

The sector issued recommendation entitled Notation for national and international telephone numbers, e-mail addresses and Web addresses.

See also

  • Long distance calling
  • Short code

References

  1. ^ «Karachi and Lahore now have eight digit phone numbers. In the near future this will be extended to other metros». Daily Times (Pakistan). 2009-07-08. Retrieved 2009-10-01.
  2. ^ «Sri Lanka (country code +94)». International Telecommunication Union. Retrieved September 1, 2022.
  3. ^ «Telephones». Thailand Guru. Retrieved 20 August 2019.
  4. ^ «Help with your landline | Spark NZ». www.spark.co.nz. Retrieved 2019-06-07.
  5. ^ ComReg, «National Numbering Conventions V 7.0
  6. ^ «Myndigheternas skrivregler» (PDF). Institutet för språk och folkminnen. Språkrådet. Retrieved 14 September 2018.
  7. ^ «Türk Telekom». www.ttrehber.turktelekom.com.tr. Archived from the original on 2008-09-04.
  8. ^ «Numara Taşınabilirliği Bilgi Sitesi». www.nts.gov.tr. Retrieved 2019-06-07.
  9. ^ a b
    «Recommendation E.123 (02/01)». ITU. January 2002. Archived from the original on 2013-08-04. Retrieved 2013-05-23.
  10. ^
    «Common phone number format» (in Russian). Microsoft. January 2005. Archived from the original on 2013-07-06. Retrieved 2013-05-23.
  11. ^ «BT Help | Help and Support for BT Products | BT». www.bt.com. Retrieved 2019-06-07.
  12. ^ «RevK’s rants: It is not +44 (0)207 123 4567, it is +44 20 7123 4567». revk.www.me.uk. Archived from the original on 2009-09-23.
  13. ^ «NANPA : North American Numbering Plan Administration — About Us». www.nationalnanpa.com. Retrieved 2018-02-07.
  14. ^ Government of Canada, Public Works and Government Services Canada (2009-10-08). «To Drop or Not to Drop Parentheses in Telephone Numbers — Search by Title — Favourite Articles — TERMIUM Plus® — Translation Bureau». www.btb.termiumplus.gc.ca. Retrieved 2019-06-07.
  15. ^ «numéro de téléphone». gdt.oqlf.gouv.qc.ca. Retrieved 2019-06-07.
  16. ^ «Marcación a 10 Dígitos | Instituto Federal de Telecomunicaciones». www.ift.org.mx. Retrieved 2019-09-28.
  17. ^ «Movistar y Claro ya tienen números para sus servicios celulares». La Nación.
  18. ^ «PLAN DE NUMERACIÓN PARA LA REPÚBLICA DE GUATEMALA» (PDF). www.sit.gob.gt. Archived from the original (PDF) on 2011-10-27. Retrieved 2012-07-18.
  19. ^ «Nueva Numeración para Celulares». www.deperu.com. Archived from the original on 2008-03-19.

National conventions for writing telephone numbers vary by country. While international standards exist in the form of recommendation E.123 by the sector ITU-T of the International Telecommunication Union (ITU), national telephone numbering plans define the format of telephone numbers assigned to telephones and similar communication endpoints.

The presentation of telephone numbers in this article does not include any international dialing codes necessary to route calls via international circuits. In examples, a numeric digit is used only if the digit is the same in every number, and letters to illustrate groups. X is used as a wildcard character to represent any digit in lists of numbers.

Africa

Djibouti

All telephone numbers in Djibouti are eight digits long.

Fixed line numbers start with 21 or 27, then a fixed line locality code, followed by four digits.

Mobile numbers start with 77, then a mobile line locality code, followed by four digits.

The international dialing code for Djibouti is +253, so the format becomes «+253 XX YY ZZ ZZ».

Morocco

All telephone numbers in Morocco are 10 digits long (initial 0 plus nine numbers).

Landline numbers start with 05, followed by two digits for the regional area RR, then two digits for the local area LL, then 4 digits for the subscriber number XX XX: («05 RR LL XX XX» or «05RR LL XX XX»).

Mobile numbers start with 06 or 07, followed by the subscriber number («06 XX XX XX XX» or «07 XX XX XX XX»).

The international dialing code for Morocco is +212, so the format becomes «+212 Y XX XX XX XX» or «+212 YXX XX XX XX», also «+212 YXX-XXXXXX» as well, where Y is 5 for landlines or 6/7 for mobile.
Free calling numbers (green numbers) or call center numbers start with 080 or 090.

Kenya

Telephone numbers in Kenya uses a 9 digit format. The 9 digits used for local calls start with a «0» (trunk prefix) for domestic calls, followed by the 3 digit area/provider code and the final 6 digits (07XX XXX XXX). The international code for Kenya is «+254».

South Africa

South Africa uses 10 digit dialling which has been required since 16 January 2007. The 10 digits used for local calls (AAA XXX XXXX or 0AA XXX XXXX) consist of a 3 digit area/type code (the first digit in the area/type code is a trunk prefix) followed by 7 digits. All area codes, including mobile numbers, start with a «0» (trunk prefix) for domestic calls. When dialing from another country, the international calling code for South Africa is «+27» with the rest of the digits excluding the «0» trunk prefix (+27 AA XXX XXXX).

Asia

China

Telephone numbers in China are 10 or 11 digits long (excluding an initial zero which is required at times) and fall in at least four distinct categories:

  1. Landlines: In China, the length of phone numbers varies from city to city. It is usually written as (0XXX) YYY YYYY (For landlines registered in large metropolises, it is written in the format (0XXX) YYYY YYYY), where 0 is the trunk code, XXX is the area code (2 or 3 digits) and YYYY YYYY is the local number (7 or 8 digits). For example, (0755) XXXX YYYY indicates a Shenzhen number. XXXXYYYY is dialed locally, 0755 XXXX YYYY is dialed in other areas inside the country, while, for international calls to Shenzhen, the 0 is dropped and is written +86 755 XXXX YYYY.
  2. Mobiles: The 11-digit code is always written in full in the whole China e.g. 1WX YYYY ZZZZ. Each WX is assigned to a service provider while W is usually ‘3’ through ‘9’. The remaining 8 digits are the subscriber number.
  3. Toll Free: These are usually ten digit numbers beginning with 800 or 400. 800 (toll-free) are accessible only when called from landline phones, while 400 (shared toll) are accessible from all phones. 400 XXX XXXX or 800 XXXX XXXX.
  4. Service numbers: These are usually 3- to 5-digit numbers (e.g. Police is 110) used to access an emergency service (Fire 119, Ambulance 120, Police 110, Roadside assistance 12122) or a value-added service.

Hong Kong and Macau

Every number, except special service numbers, is an 8-digit number; they are grouped as XXXX YYYY. There are no area codes.

India

Telephone numbers in India are 10 digits long (excluding an initial zero which is required at times) and fall in at least four distinct categories:

  1. Landlines: Written as AAA-BBBBBBB, where AAA is the Subscriber Trunk Dialing code (long distance code) and BBBBBBB is the phone number. The total length of the Subscriber Trunk Dialing code and the phone number is 10 digits. The Subscriber Trunk Dialing code can be from 2 digits (11 or 011) up to 4 digits long.
  2. Mobiles: Written as AAAAA-BBBBB for ease of remembering (though the prefix is either 2-digits or 4-digits in the numbering plan). Mobile numbers which are not local need to be prefixed by a 0 while dialing, or by +91 (91 is the country code for India). A mobile number written as +91-AAAAA BBBBB is valid throughout India, and in other countries where the + is recognized as a prefix to the country code. Since 2015, calls from mobile phones to any other mobiles do not need to prefix with a 0. However, calls from landlines to non-local mobile numbers need to be prefixed with 0.
  3. Toll Free: These are usually ten digit numbers beginning with 1-800. Sometimes they are accessible (or are toll-free) only when called from the government-owned telephone corporation, BSNL/MTNL.
  4. Service numbers: These are usually three or four digit numbers (e.g. Police is 100) used to access an emergency service (Fire, Ambulance, Police, Roadside assistance) or a value-added service.

Iran

All telephone numbers in Iran are 11 digits long (initial 0 plus ten numbers). The first two or three digits after the zero are the area code. The possibilities are: (0xx) xxxx xxxx (for landlines), 09xx xxx xxxx (for cellphones) and 099xx xxx xxx (for MVNO).

When making a call within the same landline area code, initial 0 plus the area code must be omitted.

An example for calling telephones in the city of Tehran is as follows:

  • xxxx xxxx (within Tehran, via a landline)
  • 021 xxxx xxxx (Outside Tehran, or via a cellphone)
  • +98 21 xxxx xxxx (outside Iran)

An example for mobile numbers is as follows:

  • 09xx xxx xxxx (in Iran)
  • +98 9xx xxx xxxx (outside Iran)

Japan

The traditional convention for phone numbers is (0AA) NXX-XXXX, where 0AA is the area code and NXX-XXXX is the subscriber number. This number format is very similar to the North American numbering plan, but the country has a trunk code of 0 instead of 1, so international callers (using +81) do not have to dial the trunk code 0 when calling to Japan. Telephone numbers were 9 digits long in Tokyo and Osaka until the late 1990s, when a seventh digit was added to the subscriber number. Densely populated areas have shorter area codes, while rural areas have longer area codes, but the last two digits of a five digit long area code (including the first zero) may also be the first two digits of the subscriber number. Area codes increase from north to south, except in areas such as the western Hokuriku region and the prefecture of Okinawa, where area codes increase from west to east or south to north.

Some telephone numbers deviate from this rule:

  • Toll-free dialing and Navi Dial operations (0120-XX-XXXX, 0570-XX-XXXX, or 0800-XX-XXXX), where XX-XXXX is the subscriber number
  • The area code 050 uses an 11 digit phone number (050-XXXX-XXXX), where XXXX-XXXX is the subscriber number
  • 110 and 119 are examples of three digit emergency numbers

Malaysia

All area codes including mobile start with a «0» (trunk prefix) for domestic calls. If you are dialing from another country the international calling code for Malaysia is «60» which may be confusing; do not dial an extra «0» before the rest of the digits. For fixed line and mobile phone numbers, a dash is written in between the area/mobile code and the subscriber number, with an optional space before the last four digits of the subscriber number. For example, a fixed line number in Kuala Lumpur is written as 03-XXXX YYYY or 03-XXXXYYYY, while a fixed line number in Kota Kinabalu is written as 088-XX YYYY or 088-XXYYYY. A typical mobile phone number is written as 01M-XXX YYYY or 01M-XXXYYYY. Toll-free and local charge numbers are written as 1-800-XX-YYYY and 1-300-XX-YYYY respectively, while premium rate numbers are written as 600-XX-YYYY.

Pakistan

Telephone numbers in Pakistan have two parts. Area codes in Pakistan are from two to five digits long; the smaller the city, the longer the prefix. All the large cities have two-digit codes.

Smaller towns have a six digit number. Large cities have seven-digit numbers. Azad Jammu and Kashmir has five digit numbers. On 1 July 2009, telephone numbers in Karachi and Lahore were changed from seven digits to eight digits. This was accomplished by adding the digit «9» to the beginning of any phone number that started with a «9» (government and semi-government connections), and adding the digit «3» to any phone numbers that did not start with the number «9».[1]

It is common to write phone numbers as (0xx) yyyyyyy, where xx is the area code. The 0 prefix is for trunk (long-distance) dialing from within the country. International callers should dial +92 xx yyyyyyyy.

All mobile phone codes are four digits long and start with 03xx. All mobile numbers are seven digits long, and denote the mobile provider on a nationwide basis and not geographic location. Thus all Telenor numbers (for example) nationwide carry mobile code 0345 etc.

Universal access number

  • 111 xxx xxx

Emergency Service Numbers

  • 1xx
  • 1xxx

Premium Rate services:

  • 0900 xxxxx

Toll free numbers (For callers within Pakistan):

  • 0800 xxxxx

Philippines

Telephone numbers in the Philippines are written as +63 (XXX) YYY ZZZZ for international callers. For domestic calls, the country code (+63) is omitted and a trunk prefix (0) is placed[citation needed]. For local calls, both the 0 and area code are omitted. Mobile numbers are written as +63 (XXX) YYY ZZZZ or 0 (XXX) YYY ZZZZ.

Singapore

In Singapore, every phone number is written as +65-XXXX-YYYY or +65 XXXX YYYY.

Mobile phones starts with 8/9, landline phone numbers starts with 6 while VOIP numbers starts with 3.

Subscriber numbers have 8 digits and there are no area codes.

Sri Lanka

Except for short codes and emergency numbers, all telephone numbers in Sri Lanka are ten digits long (initial 0 + nine numbers).

Landline phone numbers begin with the area code, then one digit for the operator code, then six digits for the primary telephone number.

Format: (XXX Y ZZZZZZ) where:

  • «xxx» denotes the area code. All area codes begin with the number 0.
  • The operator code for fixed (landline) numbers is «y».
  • «zzzzzz» denotes the primary telephone number, which has six digits.

Mobile numbers start with the mobile operator code (which begins from 07X, followed by seven digits for the main telephone number).

Format: (XXX ZZZZZZZ) where:

  • When dialing a mobile number, «xxx» represents the mobile operator code. All mobile operator codes begin with the number 07.
  • «zzzzzzz» represents the main telephone number of seven digits.

The international dialing code for Sri Lanka is +94, so the format becomes «+94 XX Y ZZZZZZ» for landlines and the format becomes «+94 XX ZZZZZZZ» for mobile numbers.[2]

South Korea

South Korean phone numbers can be as short as 7 digits and as long as 11 digits, because, when making a local call (i.e. in the same city), there is no need to dial the area code. South Korean area codes are assigned based on city.

Landline phone numbers

Landline home numbers are usually written as: 0XX-XXX-XXXX or (0XX) XXX-XXXX where 0XX indicates an area code. (0XX) XXX-XXX and 0XX XXX XXXX (without hyphens) are comprehensible as well. The area code may be two digits long for some cities such as Seoul and Gwacheon (these two cities use the same area code) and three digits for other cities such as Incheon, Busan and most of the cities in Gyeonggi-do. The middle three-digit part is extended to four digits in many areas due to the increased number of telephone users.

In the international context, 82 0XX-XXX-XXXX is commonly used as well. For international calls, «0» in the area code is often omitted, because it is not necessary to dial 0 from foreign countries. Therefore, it is better written as: 82-(0)XX-XXX-XXXX or 82-(0)XX-XXXX-XXXX The plus (+) sign is often added to the country code too (e.g., +82 0XX-XXX-XXXX or +82-0XX-XXXX-XXXX).

Mobile phone numbers

For mobile numbers, 016490641 so on. As with the landline home numbers, the mobile numbers’ middle three-digit part is extended to four digits (e.g., 016490641) due to the increased number of mobile phone users.

Business numbers

If a number starts with 070, the number does not belong to any particular area, and is a number given by an Internet telephone service. In this case, 070 is not usually put in the brackets, neither ( ) nor ).

In the business context, the numbers in the format of 15XX-XXXX and 16XX-XXXX are business representative agency or customer services. While the numbers starting with 080 (e.g., 080-XXX-XXXX) are also business-related numbers but are usually toll-free customer service centers. Also in this case, 15XX, 16XX or 070 are not put in the brackets, neither ( ) nor ).

National service numbers

There are national telephone services which have phone numbers in the format of 1XX or 1XXX, without any area code. For example, 114 is for telephone yellow page, 119 is for fire/emergency number, 112 is for police station center, 131 is for weather forecast information, 1333 is for traffic information, and so on. The number 111 is for reporting spies, especially from North Korea. It used to be 113, so most of senior citizen still believe it is the number for reporting spies. These numbers do not need any brackets.

Alternative numbers

If there are multiple numbers used for one person/entity, the symbol «~» is usually used to avoid repetitions. For example, if one company has three phone numbers—031-111-1111, 031-111-1112 and 031-111-1113—then they are shortened as in 031-111-1111~3.

If the numbers are not consecutive, then the last digit is written together with commas. For example, if a company has three numbers—031-111-1111, 031-111-1115, 031-111-1119, then they are shortened as in 031-111-1111, 5, 9.

Taiwan

Landline numbers in Taiwan are written with the area code in parenthesis [with phone numbers total 9 digits]
Example: (02) XXXX YYYY for phone numbers in Taipei area.

Mobile phones have 3 digit «company code» assigned to different mobile service carriers such as (09**) XXXXXX followed by a 6 digit phone number.
(note: Mobile carriers could have multiple company codes)

Thailand

All numbers in Thailand, whether for landlines or mobile reception, consist of eight digits, xxxx xxxx in the government’s official format. When calling domestically, landline numbers are preceded by a zero (0 xxxx xxxx, example 0 5381 0595) while mobile numbers are preceded by 0 plus one digit (0x xxxx xxxx, example 06 9756 4509). Thais often confuse the current numbering system with the old provincial area code system, which no longer exists as area codes were integrated into all phone numbers in 2005. Because of this, unofficially people often write numbers as 0xx xxx xxx (053 810 595). Calling a Thai phone number from outside Thailand, one drops the 0 and adds the +66 country code. Example +66 5381 0595.[3]

Oceania

Australia

Most Australian telephone numbers are 10 digits long, and are generally written 0A BBBB BBBB or 04XX XXX XXX for mobile telephone numbers, where 0A is the optional «area code» (2,3,7,8) and BBBB BBBB is the subscriber number. (http://www.acma.gov.au/Industry/Telco/Numbering/Numbering-Plan/phone-number-meanings-numbering-i-acma)

When the number is to be seen by an international audience, it is written +61 A BBBB BBBB or +61 4XX XXX XXX. When written for a local audience, the optional area code is omitted. The area code is often written within parentheses (0A) BBBB BBBB. Mobile numbers should never have parentheses.

Ten-digit non-geographic numbers beginning with 1 are written 1X0Y BBB BBB, where X = 8 for toll free numbers, X = 3 for fixed-fee numbers and X = 9 for premium services. Six-digit non-geographic numbers are written 13 BB BB or 13B BBB; these are fixed-fee numbers. Seven-digit 180 BBBB numbers also exist. ‘B’s are sometimes written as letters.

New Zealand

Almost all New Zealand telephone numbers are seven digits long, with a single-digit access code and a single-digit area code for long-distance domestic calls. Traditionally, the number was given as (0A) BBB-BBBB, with the two first digits (the STD code) often omitted for local calls. The brackets and the dash are also often omitted. Mobile numbers follow the same format, but with the area code being two digits, i.e. (02M) BBB-BBBB. ( Some mobile numbers are longer: (021)02BBBBBB, (021)08BBBBBB, (020)40BBBBBB, (020) 41BBBBBB and (028) 25BBBBBB; and some are shorter: (021)3BBBBB, (021)4BBBBB, (021)5BBBBB, (021)6BBBBB, (021)7BBBBB, (021)8BBBBB and (021)9BBBBB)

There are also free-phone numbers (starting with 0800 or 0508) that are given in the format 0800-AAA-AAA. It is not uncommon for the 0800 and 0508 to be enclosed in brackets, although this is not strictly correct as the brackets denote optional parts of the number, and the 0800 and 0508 is required.[4]

Recently with 8 digit mobile numbers becoming more common the prefix-4 digits-4 digits format has been adopted for readability: 022 1234 5678.

For international use, the prefix +64 is substituted for the leading zero, giving +64-A-BBB-BBBB for land-lines, and +64-MM-BBB-BBBB for mobile numbers.

Europe

Belgium

Belgian telephone numbers consist of two major parts: Firstly ‘0’, secondly the «zone prefix» (A) which is 1 or 2 digits long for landlines and 3 digits long for mobile phones and thirdly the «subscriber’s number» (B).

Land lines are always 9 digits long. They are prefixed by a zero, followed by the zone prefix. Depending on the length of the zone prefix, the subscriber’s number consists of either 6 or 7 digits. Hence land line numbers are written either 0AA BB BB BB or 0A BBB BB BB.

Mobile phone numbers always consist of 10 digits. The first digit of the «zone prefix» of a mobile number is always ‘4’. Then follows 2 digits indicating to which Mobile Operator’s pool the number originally belonged when it was taken into usage. The fourth digit represents a «sub-group» of this pool and has no additional meaning other than increasing the amount of possible numbers. The subscriber’s number consists of 6 digits. Hence, mobile phone numbers are written 04AA BB BB BB. Sometimes, the last 6 digits are written in two groups of 3 digits to increase readability: 04AA BBB BBB.

Numbers are sometimes written with a slash in between the zone prefix and the subscriber’s number. This is the case for both land lines and mobile phone numbers. Sometimes, dots are written between the blocks of the subscriber’s number. Examples: 0AA/BB BB BB, 0AA/BB.BB.BB; for mobile numbers: 04AA/BB BB BB, 04AA/BB.BB.BB or 04AA/BBB.BBB.

The international code prefix for Belgium is «+32». When dialing a number with the prefix, the 0 can be dropped, e.g.: +32 9055.

Denmark

Danish telephone numbers are eight digits long and are normally written

  • in four groups of two digits each, with the groups separated by spaces: AA AA AA AA,
  • in two groups of four digits each, with the groups separated by a space: AAAA AAAA,
  • in one group of two digits followed by two groups of three digits each, with the groups separated by spaces: AA AAA AAA, or
  • all in one go: AAAAAAAA.

The third option, AA AAA AAA is not commonly used for personal (landline or mobile) numbers, but is mostly found in corporate numbers, especially in advertizing. The standard formats – which when spoken divide numbers into ranges from 00 (zero zero) to 99 (ninety-nine) – limit the possible range of the ability to create telephone numbers that are easy to remember; dividing the numbers into groups of three expands the mnemonic possibilities.

Danish emergency and service numbers are three digits long and are written AAA. Danish short numbers used for text messaging services are four digits long and are written AAAA.

Finland

France

French telephone numbers are 10 digits long, usually written in groups of two separated by spaces, in the format 0A BB BB BB BB where 0 (the trunk prefix) was created in 1996 to be a carrier selection code, and A is the «territorial area code» included in the subscriber number A BB BB BB BB.

Sometimes, it is also written in the format 0A.BB.BB.BB.BB using periods instead of spaces, but this is less common.

The A (territorial area code) can be 1 to 5 (for geographic-based numbers, according to location: Paris/Suburbs, northwest France, northeast France, southeast France, and southwest France, respectively), and it designates nationwide numbers when it is 6 or 7 (mobile numbers), 8 (special numbers), or 9 (phone over IP over xDSL/non-geographic numbers).

The numbering plan is a closed one; all digits must always be dialed.

The first two or three B can designate the area (old area code) for geographic numbers, or the operator to whom the number resource belongs.

There are also «short numbers» for emergencies (such as 112), that are written 1C or 1CC; and short numbers for special services, written 10 CC, 11C CCC, or 36 CC. 00 is the international access code.

International format is +33 A BB BB BB BB where the leading trunk prefix 0 disappears (it must not be dialed from abroad). This format can be directly used in mobile phones.

Germany

German telephone numbers have no fixed length for area code and subscriber number (an open numbering plan).

There are many ways to format a telephone number in Germany. The most prominent is DIN 5008 but the international format E.123 and Microsoft’s canonical address format are also very common.

Trunk access code is 0 and international call prefix code is 00.

Form Example
DIN 5008 0AAAA BBBBBB
DIN 5008 with Extension 0AAAA BBBBBB-XX
DIN 5008 international +49 AAAA BBBBBB
E.123 local (0AAAA) BBBBBB
E.123 international +49 AAAA BBBBBB
Microsoft +49 (AAAA) BBBBBB
Old 0AAAA-BBBBBB
Very old 0AAAA/BBBBBB-XX

Numbers are often written in blocks of two. Example: +49 (A AA) B BB BB (Note the blocks go from right to left)

The very old format and E.123 local form are often used by older people but also for technical reasons.

Greece

Greek telephone numbers are ten digits long, and usually written AAB BBBBBBB or AAAB BBBBBB where AAB or AAAB is the 2- or 3-digit national area code plus the first digit of the subscriber number, and BBBBBBB or BBBBBB are the remaining digits of the subscriber number. The entire number must always be dialed, even if calling within the same local area; therefore, the national destination code is not separated from the subscriber number. According to international convention, numbers are sometimes written +30 AAB BBBBBBB or +30 AAAB BBBBBB to include the country calling code.

Hungary

In Hungary the standard lengths for area codes is two, except for Budapest (the capital), which has the area code 1. Subscribers’ numbers are six digits long in general. Numbers in Budapest and cell phone numbers are seven digits long.

Iceland

Phone numbers in Iceland are seven digits long and generally written in the form XXX XXXX or XXX-XXXX.

Ireland

Phone numbers in Ireland are part of an open numbering plan with varying number lengths. The area code system similar to some other northern European countries. Unlike the UK, Irish fixed line numbering is divided into a number of regions which are (except Dublin) further subdivided in a hierarchical structure, with the largest town often (but not always) taking 0A1.

Area codes start with a trunk prefix «0» and extend for up to four digits but usually 3; followed by the local phone number of up to seven digits.

In industry jargon, these area codes and prefixes are referred to as NDCs (National Dialing Codes). This is the term used by ComReg and technical documents, as they include non-geographic codes. Historically, like the UK, the term STD code (Subscriber Trunk Dialling) was used.
However, the terminology is archaic and is no longer universally understood and should not be used to avoid confusion.

Dublin uses the shorter (01) code which is not further subdivided. Other cities and major towns usually have codes ending in 1. Cork for example is 021, Galway 091, Limerick 061 etc.

The leading zero is always omitted when dialling from outside the country.

Local phone numbers are either 5, 6 or 7-digits long. In 7-digit numbering they are usually grouped as BBB BBBB, 6-digit numbers are grouped BBB BBB and 5-digit numbers are normally all grouped together BBBBB

Grouping of numbers is not strictly adhered to, but usually fairly consistent. The area code should always be kept separated with a space or surrounded by brackets and not merged into the local number.

The use of hyphens is discouraged, particularly on websites as it can prevent mobile browsers identifying the number as a clickable link for easier dialling.

Fixed line numbers are normally presented as follows:

  • 01 BBB BBBB for a Dublin number (7 digit)
  • 021 BBB BBBB for a Cork number (7 digit)
  • 064 BBB BBBB for a Killarney number (7 digit)
  • 061 BBB BBB for a Limerick number (6 digit)
  • 098 BBBBB for a Westport number (5 digit)
  • 0404 BBBBB for a Wicklow number (5 digit)

Area codes may also be surrounded by brackets, but this practice is falling out of use, as local dialing without the area code is optional on landlines and the area code must always be dialled on mobile phones.

The Irish telecommunication regulator, ComReg has been gradually rationalising area codes by merging and extending local numbering to 7-digits in the format 0AA BBB BBBB. This is being carried out only where necessary to avoid disruption. This means that varying fixed line number lengths will continue to exist in Ireland for the foreseeable future.

Mobile numbers are presented as follows:

08A BBB BBBB

Brackets should not be used around the mobile prefix as it is never optional and must always be dialled, even from another phone with the same prefix.

Special rate numbers, such as free phone/toll free and premium rate are usually grouped:

Freephone: 1800 BB BB BB or (spoken as one-eight-hundred)
Local rate: 1850 BB BB BB (eighteen-fifty)
1550 BB BB BB (read as fifteen-fifty)

However, for memorability, this is not consistently adhered to.

Alphanumeric characters can also be used in presenting numbers for added memorability, but it is much less common than in North America

For example:
18AA 99 TAXI

Note: These special rate numbers are not reachable from outside Ireland and should never be presented as +353 1800 or +353 1550 etc. as this would result in a connection to an unrelated Dublin landline in the +353 1 BBB BBBB range.

[5]

Italy

Phone numbers in Italy have variable length. There’s no well established convention about how to group digits or which symbol to use, but this is hardly an issue since all the digits are always dialed.

Netherlands

Since 10 October 1995 (Operation Decibel) all telephone numbers in the Netherlands are 10 digits long (including the trunk prefix ‘0’). The area code (‘A’) is commonly separated with a dash (‘-‘) and sometimes a space from the subscriber’s number (‘B’). Alternatively, the area code (including the trunk prefix) can be enclosed in parentheses.

The length of the area code for landlines is either 2 or 3 digits, depending on the population density of the area. This leaves 7 or 6 digits for the subscriber’s number, resulting in a format of either 0AA-BBBBBBB or 0AAA-BBBBBB. Cellphone numbers are assigned the 1-digit area code 6, leaving 8 digits for the subscriber’s number: 06-CBBBBBBB, where subscriber’s number (‘C’) is neither 6 nor 7. Service numbers (area codes 800, 900, 906 and 909) have either 4 or 7 remaining digits, making them 8 or 11 digits in total: 0AAA-BBBB or 0AAA-BBBBBBB. The area code 14 has no trunk prefix and is used for government numbers, currently only for municipalities. The remaining digits represent the area code of the municipality. Therefore, the length 14 numbers total either 5 or 6 digits: 14 0AA or 14 0AAA

The trunk prefix ‘0’ is dropped when prefixed by the country code: +31 AA BBBBBBBB, +31 6 CBBBBBBB, etcetera. Note that there is not a trunk prefix for the 14 series so the international number becomes +31 14 0AAA.

Norway

Norwegian telephone numbers are 8 digits long. A number to a fixed line is written in four groups of two separated by spaces, AA AA AA AA. Phone numbers in 8xx series is written in three groups, AAA AA AAA. This makes it easy to determine if the B-number is SMS capable. Mobile numbers start with 4 or 9.

Poland

Telephone numbers in Poland are 9 digits long. For mobile phones, the preferred format is AAA-AAA-AAA. For landline phones, the preferred format is AA-BBB-BB-BB, where AA is area code. Occasionally, you can encounter numbers formatted as (AA) BBB-BB-BB. Omitting area code is not permitted, because nowadays it is always required.

Portugal

Telephone numbers in Portugal Country code +351 are 9 digits long. According to present day a number to a fixed line is written in three groups of two separated by spaces, AAA AAA AAA. Cellphone numbers are written in three groups, AAA AAA AAA. Mobile numbers start with 9.

Romania

Starting with 2002 phone numbers in Romania are 10 digits long, the first digit always being 0. The preferred format is AAAA-AAA-AAA for mobile, except for landline phones in Bucharest where the preferred format is AAA-AAA-AA-AA.

Russia

Russia has an open numbering plan with 10-digit phone numbers. Trunk prefix is 8 (or 8~CC when using alternative operators, where CC is 21–23, 52–55). International call prefix is 8~10 (or 8~CC when using alternative operators, where CC is 26–29, 56–59). The country code is +7.

Length of geographical area codes (A) is usually 3 to 5 digits; length of non-geographical area codes is 3. The groups of digits in the local subscriber’s number (B) are separated by dashes (‘-‘): BBB-BB-BB, BB-BB-BB, B-BB-BB. The area code is included in parentheses, similarly to E.123 local notation: (AAA) BBB-BB-BB, (AAAA) BB-BB-BB, (AAAAA) B-BB-BB.

Area code dialing is optional in most geographical area codes, except Moscow (area codes 495, 498, 499); it is mandatory for non-geographical area codes. E.123 international and Microsoft formats are used for writing local phone numbers as well; international prefix and country code +7 are replaced with trunk code 8 (or 8~CC) when dialing a mandatory area code.

Even though trunk code is not needed for calls within the same geographical area, recent convention adds the default trunk code to the phone number notation: 8 (AAAA) BB-BB-BB. For mandatory area code dealing plans, notation 8 AAAA BB-BB-BB is used. These formats are a mix of Microsoft format and E.123 local notation.

Mobile phones require full 10-digit number which starts with 3-digit non-geographical area codes 900–990. For international calls abroad or international roaming calls to Russia, E.123 international notation with an international call prefix ‘+’ is the only allowed calling number format. For local calls both 8 and +7 are accepted as a trunk code.

Form Example
Old BBB-BB-BB
Old with area code (AAA) BBB-BB-BB
Conventional 8 (AAA) BBB-BB-BB
Microsoft +7 (AAA) BBB-BB-BB
Conventional (mandatory area code) 8 AAA BBB-BB-BB
E.123 international +7 AAA BBB BB BB

Spain

Spanish telephone numbers are nine digits long, starting with ‘9’ or ‘8’ for fixed lines (excluding ’90x’ and ’80x’) or with ‘6’ or ‘7’ for mobile phones.

The first group in fixed lines always identifies the dialed province. That group might be of 2 or 3 digits; for example, 91 and 81 are for Madrid while 925 and 825 are for Toledo. The second group is always of 3 digits as it formerly identified the telephone exchange (it now identifies the telephone area).

When the first group is 2 digits long (as in Madrid), the number is usually written in four groups of 2-3-2-2 digits (AB CCC DD DD)

When the first group is 3 digits long (as in Toledo), the number is usually written in 3 groups of 3 digits (ABB CCC DDD) but the form 3-2-2-2 (ABB CC CD DD) is not uncommon.

Mobile numbers are usually grouped by threes, ABB CCC CCC, but the form 3-2-2-2 is also seen.

Sweden

Swedish telephone numbers are between eight and ten digits long. They start with a two to four digit area code. A three digit code starting with 07 indicates that the number is for a mobile phone. All national numbers start with one leading 0, and international calls are specified by 00 or +. The numbers are written with the area code followed by a hyphen, and then two to three groups of digits separated by spaces.[6]

Type Format
National 10 digit
0A-XXX XXX XX or
0AA-XXX XX XX or
0AAA-XX XX XX
National 9 digit
0A-XXX XX XX or
0AA-XX XX XX or
0AAA-XXX XX
National 8 digit
0A-XX XX XX or
0AA-XXX XX
Mobile 10 digit
07A-XXX XX XX or
07AA-XX XX XX
International
+CC AAA-XXX XX XX or
00CC AAA-XXX XX XX

Switzerland

Swiss telephone numbers are ten digits long, and usually written 0AA BBB BB BB where 0AA is the national destination code and BBB BB BB is the subscriber number. The entire number must always be dialed, including the leading 0, even if calling within a local area, therefore the national destination code is not separated from the subscriber number. According to international convention, numbers are sometimes written +41 AA BBB BB BB to include the country calling code. Certain nationwide destination codes, such as for toll-free or premium-rate telephone numbers, are written 0800 BBB BBB or 0900 BBB BBB. Short numbers are used for emergency services such as 112 that are written 1CC or 1CCC.

Turkey

In Turkey the format for telephone numbers is commonly seen as 0BBB AAA AA AA. While landline numbers having the prefix 02BB AAA AA AA, 03BB AAA AA AA, or 04BB AAA AA AA[7] mobile numbers have the prefix 05BB AAA AA AA. Landline area codes are separated by cities and only one city, Istanbul, has two area codes: 216 for the Asian side, and 212 for the European side. Mobile numbers however are separated by carriers. There are three mobile carriers in Turkey: Vodafone TR, Turkcell and Turk Telekom. Turkcell has the prefix 053B AAA AA AA, Vodafone TR has the prefix 054B AAA AA AA, and Turk Telekom has the prefix 055B AAA AA AA.

Since 9 November 2008, with the passing of the Number Carriability Regulation by ICTA, mobile numbers can be carried from one mobile carrier to the other, without having to change the prefix.[8] This caused dialing 05BB to call another number on the same carrier to become mandatory. Calls to numbers which were carried to another operator are signaled by a unique sound upon dialing, to signify that the recipient is on another network and alert them against potentially unwanted interconnection charges. The same regulation passed on 10 September 2009 regarding landline numbers, without the requirement to dial the prefix among numbers with the same geographical area, sharing the same prefix.

The «0» on every prefix is an Area Code Exit code that must be dialed when a number with a different area code is being called. So when calling from outside of Turkey those 0s are not dialed. The dialing format when calling from outside Turkey is +90 BBB AAA AA AA and NOT +90 0BBB AAA AA AA. Unlike the North American system, the Country Exit Code isn’t 011 but 00. So it is one «0» to exit area and one more «0» to exit the country.

Ukraine

There are many recommendations for recording phone numbers. The most common in the world is Recommendation E.123 E.123 International Telecommunication Union[9]
and the standard format for Microsoft telephone numbers Microsoft.[10]

There is an international format for recording a telephone number containing the country code, settlement code and telephone number, and the national format containing the settlement code and telephone number.

To record Ukrainian telephone numbers, it should be remembered that the country code for Ukraine is: +380, telephone codes for settlements do not have an initial zero, long-distance prefix: 0.

Writing telephone numbers
Phone number Note
+380 44 123 45 67 E.123, international format: country code, settlement code and telephone number are separated by spaces
(044) 123 45 67 E.123, national format: long-distance prefix and city code in parentheses (national format: long-distance prefix and settlement code in parentheses due to possible confusion needs constant additional clarification), п. 2.8 [9] ), the phone number is separated from the code and separated by spaces
+380 (44) 1234567 Microsoft, international format: country code, space code, settlement code in brackets, space code, telephone number.

Often, they mistakenly write down phone numbers, transferring the last zero from the country code to the settlement code, for example:+38 044 1234567 or +38 (044) 1234567. Such entry is incorrect because the telephone code of Ukraine is +380, and the codes of settlements or codes of mobile networks cannot begin with “0” or “1”.

United Kingdom

Dialling codes, also known as «area codes» are optional for local callers (often surrounded by parentheses, or separated with a dash), though there are trials running to make them mandatory,[11] and are followed by the customer’s telephone number.

Codes with the form 02x are followed by 8-digit local numbers and are usually written as 02x AAAA AAAA or (02x) AAAA AAAA. Area codes with the form 011x or 01×1 are used for many of the major population centres in the UK, are always followed by 7-digit local numbers and are usually written as 01xx AAA BBBB, (01xx) AAA BBBB or 01×1-AAA BBBB (the latter formerly the recommended format for six major metropolitan areas in the UK). Other area codes have the form 01xxx with 5 or 6 figure local numbers written as 01xxx or (01xxx) followed by subscriber number AAAAA or AAAAAA; or have the form 01xx xx with 4 or 5 figure local numbers written as 01xx xx or (01xx xx) followed by subscriber number AAAA or AAAAA.

Numbers for mobile phones and pagers are formatted as 07AAA BBBBBB and most other non-geographic numbers are 10 figures in length (excluding trunk digit ‘0’) and formatted as 0AAA BBB BBBB. However, these numbers are sometimes written in other formats. 9 figure freephone numbers are 0500 AAAAAA and 0800 AAAAAA and there is one number of 8 figures length: 0800 1111 (Childline).

Domestically, there are also a number of special service numbers such as 100 for the operator, 123 for the speaking clock and 155 for the international operator, as well as 118 AAA for various directory enquiry services, and 116 AAA for various helplines. For some services, the number you call will depend on which operator you use to connect the call. 112 and 999 work for calling the emergency services. These numbers cannot be called from abroad.

When calling from abroad, the initial ‘0’ trunk prefix is not required; it is, however, commonplace to represent telephone numbers with both the international code and the ‘0’ trunk prefix — which is typically placed within parentheses — but this representation is inconsistent with the E.123 international standard.[12]

North America

United States, Canada, and other NANP countries

Twenty-four countries and territories share the North American Numbering Plan (NANP), with a single country code, 1. The formatting convention for telephone numbers is NPA-NXX-XXXX, where NPA is the three-digit area code, and NXX-XXXX is the seven-digit subscriber number.[13]
NPA has the same syntax of NXX since the implementation of interchangeable area codes in 1995. The prefix NXX of the subscriber number is a code for the central office, unique in the numbering plan area. The place holder N stands for the digits 2 to 9, as the subscriber number may not begin with the digits 0 and 1. It is a closed telephone numbering plan in which all subscriber telephone numbers have seven digits, in addition to the three-digit area code.

Under all-number calling, a numbering plan introduced around 1960, local calls within an area code were placed by dialing NXX-XXXX, omitting the area code, known as seven-digit dialing. Only calling a destination in a different area code required dialing the destination area code, known as ten-digit dialing. Due to the need for a larger telephone number pool in many regions, seven-digit dialing is becoming rare in the United States. With the rapid growth of telephony in the late 20th century, many metropolitan areas saw the introduction of additional area codes. Multiple area codes were assigned to the same numbering plan area, a configuration known as an overlay numbering plan. Calls within an overlay are still local calls, despite the need for ten-digit dialing.

In general, placing long-distance calls requires dialing the trunk code 1, but this may be optional in some areas.

Canada

Canada is a member of the North American Numbering Plan, but administers its numbering resources individually, under guidance from the NANP Administrator. The Canadian government has stated on its Language Portal of Canada that telephone numbers are to be written with a hyphen between each sequence, as follows: 1-NPA-NXX-XXXX or NPA-NXX-XXXX.[14] 10-digit dialing is now required throughout most of Canada, including all of British Columbia, Alberta, Saskatchewan, Manitoba, Quebec, Nova Scotia, and Prince Edward Island, as well as most of Ontario. Areas not yet requiring 10-digit dialing are Ontario’s 807 area code, Newfoundland, New Brunswick, the Yukon, Northwest Territories, and Nunavut, although 10-digit dialing may be accepted in some of these areas.

In the province of Québec, where French is the first language, the Office québécois de la langue française has established that telephone numbers must be written with spaces first and then a hyphen for the last sequence, as follows: 1 NPA NXX-XXXX.[15] Educational institutions of Quebec will mark improperly written telephone numbers as orthographical mistakes in academic texts.[citation needed]

Mexico

Mexican telephone numbers have ten digits. They can consist of a two-digit (NN) area code and an eight-digit local number (ABCD XXXX) or a three-digit area code (NNN) with a seven-digit local number (ABC XXXX).

As of August 3, 2019 all the indicators and access codes (01, 044, 045) are deprecated, therefore all telephone numbers, for landline or mobile service, are dialed with ten digits.[16]

The formatting convention of a telephone number is

  • ABCD XXXX or NN ABCD XXXX or (NN) ABCD-XXXX
  • ABC XX XX or NNN ABC XXXX or (NNN) ABC-XX-XX

The international country code prefix for Mexico is 52. When dialing a number it must be formatted as «plus sign + country code + 10-digit number» e.g.: +52 NNN ABC XXXX

Central America

Some Central American countries write the country code for their own and other Central American countries in parentheses, instead of using a + sign, as recommended by E.123. For example, for a number in Costa Rica they would write (506) 2222-2222 instead of +506 2222-2222. On the other hand, Guatemala does have the custom of using the + sign. It is quite common for Central American businesses to write the whole phone number, including the country code in parentheses, on business cards, signs, stationery, etc.

Costa Rica

Costa Rican telephone numbers are 8 digits long, and are usually written in the format 2NNN-NNNN (for landlines), 8NNN-NNNN (for mobile telephone numbers from local telephone company ICE), 6NNN-NNNN (for mobile telephone numbers from Movistar) and 7NNN-NNNN (for mobile phone numbers from Claro).[17] Toll-free numbers use the format 800-NNN-NNNN and premium-rate telephone numbers are written 90x-NNN-NNNN where x varies according to the type of service offered. There are also «short numbers» for emergencies such as 911.

When Costa Rica switched from 7 to 8 digit numbers, it used a scheme similar to the 8 digit number scheme already in place in El Salvador at that time.

El Salvador

El Salvadoran telephone numbers are 8 digits long, usually written in the format 2NNN-NNNN (for landline use) and 7NNN-NNNN (for mobile telephone numbers). Premium-rate numbers start with a 9.

Guatemala

Guatemalan telephone numbers are 8 digits long and written in the format 2NNN-NNNN for landlines in Guatemala City, 6NNN-NNNN for landlines for the rest of municipalities in the Guatemala Department, and 7NNN-NNNN for landlines in Rural Guatemala / rest of country. Non-geographic numbers (mobile) are 5NNN-NNNN, 4NNN-NNNN, and 3NNN-NNNN. Within each area, there are different service providers. The following 3 digits indicate the service provider. However, their assignment is on a first-come first-served basis.

Additionally there are special numbers with the following conventions: 3 digit numbers for emergency systems, four digit numbers, 15NN for information and governmental institutions and 17NN for commercial and banking institutions with a high call influx, 6 digit numbers for Telephone carriers numbers and making operator assisted calls, collect calls. These calls are billed at different rates. 1-800: Toll-free calls redirected to out of country offices and 1-801: Local toll-free calls.[18]

Honduras

Honduran telephone numbers have either 7 digits (for landlines), which are usually written NNN-NNNN, or 8 digits (for mobile numbers), which are written NNNN-NNNN. The fact that landline and mobile numbers are different lengths sometimes causes confusion.

In 2010, an additional digit (2) was added to the start of land line numbers, thus standardizing the length at 8 digits.

South America

Argentina

Argentine telephone numbers always consist of 11 digits, including the geographical area code.

Area code

The area code can have 3, 4 or 5 digits, the first being always 0 (indicative of long distance calls). Moreover, in 1999 the whole country (except Buenos Aires, and Greater Buenos Aires) was divided into two zones. Roughly and with exceptions, one includes most of the northern half of the country; and the other, most of the southern half, though the actual reason for this division is not geographical, but the fact that each zone is administered by a different company.

So, the second digit of area codes can be 1 (only in Buenos Aires and Greater Buenos Aires code «011») or else a 2 (for towns in the southern half of the country) or a 3 (for the northern half). For example, (011) for Buenos Aires, (0341) for Rosario, (02627) for San Rafael. And the subscriber’s number will accordingly have 6, 7 or 8 digits, to complete the eleven digits.

Phone numbers are mostly written as:

  • (011) xxxx-xxxx (Note that only the (011) code has 3 digits),
  • (0xxx) xxx-xxxx or
  • (0xxxx) xx-xxxx

The area code is usually written between brackets.

Subscriber number

In 1999, a general reform was introduced to telephone numbers, including the 1, 2 and 3 for area codes as explained above, and adding a 4 at the beginning of all subscriber’s numbers. However, since the reform some local numbers starting with a 5 are beginning to appear. Moreover, a hyphen is usually placed to separate the last four digits. Code areas do not usually include one single city or town, but several neighbouring towns. So, the part before the hyphen (called a prefix) is usually indicative of either a town within the code area, or even of a part of a larger city, which is assigned several prefixes. As a matter of fact, each area code has only a limited number of prefixes assigned, and these are locally limited within the area.

For example, the (0342) area has numbers with a 456- prefix, mostly located in the centre of Santa Fe. It also has numbers with a 460- prefix, usually for phone lines in the north east of the city. And there are lines with a 474- prefix, located in Santo Tomé. But no 444- prefix exists within this area. As for the part after the hyphen, it may usually be any succession of four digits, though sometimes a prefix is shared by two or more small towns, and then, the first digit after the hyphen carries the distinction between towns.

Sometimes, a prefix is reserved for official numbers, that is for offices depending on the national, provincial or local state. In the (0342) area, this is 457-, and phones within this prefix communicate with each other, by simply dialing the four final digits, though from other phones the prefix must be dialled as well.

Mobile phones

Mobile phones use the same area codes as landline telephones, but the number begins with a «15», added to a string of 6, 7 or 8 digits, just as described above. After the «15», the remainder of the number can start with a 3, a 4, a 5 or a 6. This «15» may be dropped when a call is made to a mobile phone in a different code area. And when sending text messages, the receiver’s number is best dialled both without the «15» and with the long distance code, even if both sender and receiver share a code area, but without the initial «0».

To sum up, given the mobile phone (011) 154-123-4567, you will call it by dialing:

  • 154-123-4567 (within the same code area),
  • (011) [15]4-123-4567 (from a different code area, including or omitting the 15),

And you will send messages to:

  • 11 4-123-4567 (even when your phone has also a 011 number).

Special numbers

Two sorts of special numbers exist in Argentina. On the one hand, three-digit numbers are used for special services such as to call the police, fire brigade or emergency doctors, as well as to hear the official time. Also telephone companies have three-digit numbers to report a problem in the lines, or to ask for another subscriber’s number, when a paper directory is not available.

Additionally, there are other longer numbers. These include (but are not limited to):

  • 0800 xxx abcd
  • 0810 xxx abcd
  • 0600 xxx abcd

(where the xxx indicates the same digit dialled three times, and a, b, c and d may each be any of the ten digits)

0800 lines are used by companies, and it is the receiver and not the caller who pays for the call, so that potential clients are encouraged to contact business companies for free.

0810 lines are paid by the caller, but the cost is for a local call, even if you are calling from a different area. The remaining is covered by the receiver.

And 0600 numbers are special more expensive lines, that serve such purposes as TV games, fund collecting for charity companies, hot lines, etc. Basically a part of the extra money charged to the caller is sent to the owner of the line.

Often the abcd or even (xx)xabcd part of the number is chosen, if available, to form a word that is representative of the company holding the number.

Brazil

Brazil is divided into 67 two-digit geographical area codes, all of which with eight-digit numbers, in the format AA NNNN-NNNN, except for cell phones, which contain nine digits, usually in the format AA 9NNNN-NNNN.

Peru

Peru uses 2-digit area codes followed by 6-digit subscriber numbers outside of Lima. In Lima the area code is «1» and the subscriber number has 7 digits, divided XXX XXXX. The «trunk 0» is often used, especially for numbers outside Lima. For example, a phone number in Arequipa might be written (054) XX-XXXX.

Cellphone numbers used to have 8 digits with the first digit always being 9. In 2008 an additional digit was added to cellphone numbers, while land numbers remained the same. The previous convention for cell numbers in Lima was usually 9XXX XXXX, though 9-XXX XXXX was also used. With the new 9-digit number, the form 9XX XXX XXX is becoming increasingly common as opposed to 9 XXXX XXXX, 9X XXX XXXX or 9XXXX XXXX.

Outside Lima cellphone numbers used to be 9 followed by six digits, i.e., 9 XXX XXX. The 2008 changes were somewhat more complicated. In four departments (similar to states), a 2 digit code now has to be entered before the 9. In the example of Arequipa, the code of 95 has to be entered before the 9, so the new numeration is 959 XXX XXX. The other codes are 94 for La Libertad (Trujillo), 96 for Piura and 97 for Lambayeque (Chiclayo). In the other 19 rural departments, the 9 is followed by the department’s 2-digit area code then the 6-digit subscriber number. For example, the area code for Cusco is 84, so their new cellphone numeration is 984 XXX XXX. The effect is that all Peruvian cellphone numbers now have 9 digits; under the old system they had 8 digits in Lima and 7 everywhere else.[19]

International Telecommunication Union

The sector issued recommendation entitled Notation for national and international telephone numbers, e-mail addresses and Web addresses.

See also

  • Long distance calling
  • Short code

References

  1. ^ «Karachi and Lahore now have eight digit phone numbers. In the near future this will be extended to other metros». Daily Times (Pakistan). 2009-07-08. Retrieved 2009-10-01.
  2. ^ «Sri Lanka (country code +94)». International Telecommunication Union. Retrieved September 1, 2022.
  3. ^ «Telephones». Thailand Guru. Retrieved 20 August 2019.
  4. ^ «Help with your landline | Spark NZ». www.spark.co.nz. Retrieved 2019-06-07.
  5. ^ ComReg, «National Numbering Conventions V 7.0
  6. ^ «Myndigheternas skrivregler» (PDF). Institutet för språk och folkminnen. Språkrådet. Retrieved 14 September 2018.
  7. ^ «Türk Telekom». www.ttrehber.turktelekom.com.tr. Archived from the original on 2008-09-04.
  8. ^ «Numara Taşınabilirliği Bilgi Sitesi». www.nts.gov.tr. Retrieved 2019-06-07.
  9. ^ a b
    «Recommendation E.123 (02/01)». ITU. January 2002. Archived from the original on 2013-08-04. Retrieved 2013-05-23.
  10. ^
    «Common phone number format» (in Russian). Microsoft. January 2005. Archived from the original on 2013-07-06. Retrieved 2013-05-23.
  11. ^ «BT Help | Help and Support for BT Products | BT». www.bt.com. Retrieved 2019-06-07.
  12. ^ «RevK’s rants: It is not +44 (0)207 123 4567, it is +44 20 7123 4567». revk.www.me.uk. Archived from the original on 2009-09-23.
  13. ^ «NANPA : North American Numbering Plan Administration — About Us». www.nationalnanpa.com. Retrieved 2018-02-07.
  14. ^ Government of Canada, Public Works and Government Services Canada (2009-10-08). «To Drop or Not to Drop Parentheses in Telephone Numbers — Search by Title — Favourite Articles — TERMIUM Plus® — Translation Bureau». www.btb.termiumplus.gc.ca. Retrieved 2019-06-07.
  15. ^ «numéro de téléphone». gdt.oqlf.gouv.qc.ca. Retrieved 2019-06-07.
  16. ^ «Marcación a 10 Dígitos | Instituto Federal de Telecomunicaciones». www.ift.org.mx. Retrieved 2019-09-28.
  17. ^ «Movistar y Claro ya tienen números para sus servicios celulares». La Nación.
  18. ^ «PLAN DE NUMERACIÓN PARA LA REPÚBLICA DE GUATEMALA» (PDF). www.sit.gob.gt. Archived from the original (PDF) on 2011-10-27. Retrieved 2012-07-18.
  19. ^ «Nueva Numeración para Celulares». www.deperu.com. Archived from the original on 2008-03-19.

Мы привыкли записывать телефонный номер, начиная с восьмерки. Поэтому когда где-либо требуется записать или ввести на сайте номер телефона в международном формате, то сразу в голове масса вопросов.

Подробно рассказываем, как набрать номер телефона в международном формате, и откуда вообще взялся этот формат.

Российские номера сотовых телефонов в международном формате состоят из трех элементов:

  • +7 — международный код страны, Российской Федерации;
  • ХХХ — три цифры, обозначающих префикс. Эти три цифры определяют название сотового оператора и регион регистрации номера;
  • ХХХ-ХХ-ХХ — семь уникальных цифр, номер абонента, по которому также можно определить регион.

Итак, чтобы записать номер в международном формате, следует набрать 11 цифр, не считая знака плюсика. Эта комбинация используется для звонков из зарубежных стран в Россию, внутри страны можно звонить, набирая вместо +7 восьмерку. В книге контактов лучше сразу сохранять номера в международном формате, потому что зачастую звонки через восьмерку не проходят.

Номер «Мегафон» в международном формате имеет префиксы 920-929, 936 и 937. Номера МТС в международном формате отличаются префиксом 910-919, 980-989. Номера «Билайн» в международном формате легко узнать по префиксам 903-909, 961-968, 976.

Однако стоит учитывать, что номера в одном коде могут быть разделены регулятором между несколькими операторами. Это связано с тем, что номерной ресурс ограничен, и выделить всем операторам, а их зарегистрировано более ста, коды с необходимым количеством номеров, невозможно.

Строго говоря, любые российские сотовые номера сразу пишутся в международном формате, так как без кода страны и кода оператора позвонить по ним невозможно.

Важно знать, что телефонный код +7 Россия разделяет с Казахстаном и Абхазией. Другие республики после распада Союза перешли на собственные коды. Крым также использует российские коды +7-869 (местная связь в Севастополе), а сотовые номера Крыма в международном формате начинаются с комбинации +7978.

В международном формате можно набрать и любой городской (местный) номер. Если вам нужно позвонить, к примеру, в отель за рубежом, со стационарного телефона следует набрать 8-10-{код страны}-{код города}- номер абонента. А вот с сотового номера нужно набирать вместо 8-10 — плюс и код страны.

Содержание

  • Международный формат номеров США, Украины, Белоруссии
  • Теория появления международного формата номера
  • Резюме
  • Правила набора международного формата
  • Международный формат номера телефона Е164
  • Международный формат номеров мобильных телефонов в России
  • Правильное написание телефонных номеров. Взято с ebanners.ru

Международный формат номеров США, Украины, Белоруссии

Цифра +7 определяет принадлежность номера к российской телефонной сети. Для других стран зарезервированы иные коды. Американский сотовый номер выглядит так:

+1 {код страны} ХХХ {код штата или города} ХХХХ-ХХ-ХХ {номер абонента}.

Каждый штат США имеет свой префикс, а вот привязки номера телефона к оператору в США не существует. В одном штате может быть несколько вариаций префиксов.

Например, в Нью-Йорке используются коды 347, 212 и 646. В то же время, абонент с этим номером может переехать в какой угодно штат, роуминга внутри страны нет, так что по этим цифрам можно определить только, в каком штате номер был впервые зарегистрирован.

Также цифры, идущие после +1 в международном американском номере, позволяют определить, со стационарного или сотового номера вам звонят. К примеру, 212 код стационарной сети Нью-Йорка (но не в 100% случаев).

Как видим, американский номер в международном формате также включает 11 цифр. А вот украинский длиннее: здесь код соединения со страной состоит из трех цифр, +380. Украинские мобильные номера в международном формате выглядят так:

+380 {код страны} ХХ {код оператора} ХХХ-ХХ-ХХ {номер абонента}.

У каждого сотового оператора Украины, соответственно, свои коды:

  • 63 и 93 — коды оператора Lifecell;
  • 50, 66, 95, 99 — Vodafone;
  • 67, 68, 69, 96, 97, 98 — префиксы для звонков в сети Киевстар;
  • 91 — ТриМоб;
  • 92 — PEOPLEnet.

Белорусские сотовые телефоны в международном формате легко определить по начальным цифрам +375.

Хотя у Казахстана код страны совпадает с Россией, их номера определяются по префиксу: они имеют формат +7(6xx)xxx-xx-xx или +7(7xx)xxx-xx-xx. Префиксы российских сотовых операторов принадлежат исключительно диапазону (9хх).

Отметим, что на территории страны также действует нумерация с кодом начинающимся на восьмерку. Также, как в России, это специальные многоканальные номера. К примеру, 800 для бесплатных звонков с любого казахстанского номера.

Теория появления международного формата номера

Последовательность набора номера определяется телефонным планом нумерации — унифицированной системой, позволяющей пользователям сети отправлять и принимать звонки, а также определять звонящего (услуга определения номера включена во все тарифные планы сотовых операторов).

В мире существует два плана нумерации: открытый и закрытый. При первом местные вызовы можно совершать без национального номера (кода города), а при втором, то есть закрытом, необходимо набирать полный международный формат номера для звонка любого вида: местного, междугороднего, международного.

В основном страны применяют закрытый план нумерации, Москва сегодня полностью переведена на него. Отметим, что популярный термин “прямой номер” появился до того, как введен закрытый план. “Кривым”, на самом деле, является не номер с городским кодом, а тот, что можно набирать напрямую без кода города/оператора.

По планам Министерства коммуникаций и связи, к 2020 году Россия должна полностью перейти на закрытый план нумерации. Это означает, что в городах нельзя будет набирать короткие 5-7-значные номера для местных вызовов, а всегда будет необходимо использовать полный международный формат номера.

Сейчас у нас есть различие в наборе комбинаций при звонках внутри телефонной зоны, за ее пределы и при междугородних вызовах.

  • ХХХ-ХХ-ХХ — звонки по местным городским номерам, никакие коды не нужны;
  • (Код города) ХХХ-ХХ-ХХ — междугородные звонки, набираются с кодом города;
  • +7 (код города) (номер абонента) — для звонков из-за пределов РФ.

Если говорить о вызовах со стационарных телефонов, то для выхода на межгород нужно набирать 8-ку (в других странах 0).

При закрытом плане нумерации всегда нужно будет набирать расширенный вариант, то есть с +7 и кодом города.

Страны редко меняют план нумерации, но в ближайшем будущем это предстоит россиянам. Большинство абонентов не почувствуют разницы, ведь в телефонной книге смартфона удобно сразу сохранять длинную версию номера, лишь только редким пользователям стационарных телефонов придется всегда набирать длинные номера в международном формате.

Резюме

Российский номер сотового телефона в международном формате состоит из 11 цифр, где +7 — это международный идентификатор страны, (9хх) — префикс оператора, также показывающий регион регистрации номера, а дальше идет семизначный номер абонента.

Для правильного набора местных номеров в международном формате нужно предварительно выяснить код города.

С развитием в стране смартфонов, различных соединений и возможности позвонить в другое государство по беспроводной связи сформировались и правила набора. Это комбинация цифр, позволяющая записать номер телефона и позвонить гражданину, который пребывает за пределами РФ. Россияне привыкли записывать свою нумерацию через восьмерку, но через нее нельзя сделать дозвон до гражданина, находящегося за границей России.

И когда требуется набор номера в другом государстве, то в голове возникает немало вопросов.

Правила набора международного формата

Порядок набора нумерации сотового абонента, который находится за пределами Российского государства, несколько отличается от стандартного звонка по России. Осуществить звонок по России можно, набрав номер как по внутренней комбинации, так и по международной. Человек сможет дозвониться до абонента и в том, и другом случае. А вот если осуществлять звонок в другое государство, то нужно придерживаться определенных правил. В частности:

  1. Разблокировать мобильный телефон, нажать «+» до появления его на дисплее телефона.
  2. Возможно использовать и альтернативный вариант международного формата. К примеру, сочетание цифровой комбинации 810. Но если использовать символ «+», то по умолчанию сеть соединяется с выбранной страной, вне зависимости, какие цифры принадлежат конкретному государству.
  3. Нужно написать код государства, куда человек желает совершить вызов. К примеру, кодовое значение на Украине – 38, в Великобритании – 44.
  4. Далее нужно уточнить код конкретного города или мобильной организации. Состоит комбинация из трех или шести цифр.
  5. Далее последует номер телефона самого абонента. Как правило, это 7-значное значение. Чем количество цифр меньше по городу, тем больше абонентский номер. Как правило, вся нумерация не превышает 10 цифр.
  6. После набора всей необходимой комбинации можно нажимать клавишу звонка и дожидаться соединения.
  7. Если используется IP-телефония, то дополнительно указывается местный номер сотового оператора.

При использовании такого алгоритма действий можно позвонить в любую другую страну.

При желании позвонить в иное государство или страну лучше воспользоваться таксофоном или домашним телефоном. Если же звонок совершать через мобильного оператора, даже при самом дешевом тарифе, нужно будет оплатить и международный звонок по тарифу, и карту использования (если таковая присутствует для звонков за границу). Дополнительно списываются денежные средства еще и за местное соединение, которое указано на карточке.

Чтобы позвонить из России, необходимо сделать выход на связь другого государства при помощи номеров соединения фиксированного вида. К примеру, 8-10- (код государства) (далее комбинация района) (персональная нумерация абонента).

Международный формат номера телефона Е164

Код Е164 часто встречается при наборе формата для звонков в иные государства. Это рекомендация МСЭ-Т, что позволяет уточнить план нумерации каждой страны для голосового соединения. Стандарт распространяется для эры ISDN. Особенности цифрового значения:

  • числовое значение ограничено максимальным количеством цифрового ряда – 15 чисел, исключение – код Dial out;
  • первоначально прописывается код страны, который состоит из 1-3 цифр;
  • затем идет национальный код регионального принципа, а в конце абонентский номер.

Часто используется стандарт не только Е164, но и Е123. Последней версией стандарта считается третья.

Код страны

Это компонент, который входит в цифровое значение при наборе международного формата. Когда гражданину нужно совершить исходящую связь другому абоненту, находящемуся за пределами российского пространства, потребуется ввести комбинацию цифр, соответствующую стране. В документации представлено сразу 9 зон, в которых присутствуют собственные цифровые значения. В частности:

  • к первой зоне относят Северную Америку;
  • ко второй зоне относят Африку и близлежащие острова;
  • к третьей и четвертой страны Европы – Испания, Франция, Исландия;
  • к пятой и шестой зоне Центральная, Южная Америка и Юго-Восточная Азия соответственно;
  • к седьмой зоне относят страны, которые ранее были в Советском Союзе;
  • к восьмой зоне относят Восточную Азию и специализированные службы, которые используют спутниковую систему для проведения голосовых соединений;
  • к девятой зоне относят жителей Азии.

В международном формате представлено немало комбинации цифр. При необходимости совершить звонок за пределы Российской Федерации можно воспользоваться справочником.

Код набора номера

Если с обычными телефонами все ясно, то с Айфоном возникают сложности. Для начала владельцу «яблока» необходимо набрать код выхода при размещении голосового вызова в иное государство. Такая комбинация известна как префикс международного формата, а иногда IDD. Фактически это прямое соединение со страной.

В качестве стандарта МСЭ рекомендует набирать два нуля. Этот стандарт внедрен многими странами, но далеко не всеми. К примеру, чтобы сделать соединению гражданину с Айфона в Канаду или Соединенные Штаты Америки, необходимо написать 011 для входа в систему. Такая система позволяет осуществить голосовую связь, даже если оба абонента находятся в разных государствах с разными номерами городов и префиксами.

То есть в Великобритании нужно при звонке набрать 00617, а в Соединенных Штатах Америки уже 011617.

Код соединительной линии

Иногда происходят сбои при голосовом звонке по номеру телефона по причине кода внешней линии.

Код соединительной линии – это последовательность цифр, которую необходимо набрать до международного номера для инициирования телефонного вызова с целью уточнения телекоммуникационного формата. Для этого и необходим знак «+» — чтобы сначала набирается международный код внешней линии, а затем уже идет комбинация государства.

Представленное понятие может быть как единой цифрой, так и цифровым кодом, который используется для размещения всех голосовых соединений в конкретном государстве. По факту сейчас не во всех странах используется данный формат. На практике номер записывается путем применения национальной цифровой комбинации, указанной в скобках.

То есть, например, если звонить в ту же Австралию, то формат звонка будет выглядеть следующим образом +61(0)7 и далее номер абонента.

Международный формат номеров мобильных телефонов в России

Российская нумерация в формате международного типа состоит сразу же из 3 составляющих. В частности:

  • +7 – кодовое значение представленного государства в международном значении;
  • ХХХ – это префикс, обозначающий наименование мобильной организации и регион для регистрации соединения;
  • Остальные цифры – нумерация владельца симки, с которым необходимо созвониться. Под данным цифровым значением возможно уточнить региональное местоположение человека.

То есть для набора по России достаточно набрать 11 цифр номера абонента, и это не считая +. Аналогичные показатели нужно ввести, если человек желает совершить с другого государства звонок в РФ. Внутри России можно или через восьмерку совершать звонки или же через +7. В контактной книге лучше сохранять номер сразу же в международном формате, так как некоторые звонки через 8 не проходят по сотовой вышке.

Сотовый оператор Мегафон в международном масштабе имеет комбинацию цифр 920, 929, 936 и 937. Если говорить о сотовом операторе МТС, то префикс 910, 919, 989 и 980. В Билайне прослеживается комбинация 903, 961, 909, 968, 976.

Стоит понимать, что сейчас по новой программе перехода номера человек может перейти на другого сотового оператора, сохранив свой номер телефона. Соответственно, узнать, кому принадлежит префикс, становится невозможным.

Формат + 7 Российская Федерация делит с Казахстаном и Абхазией. Другие же страны нашли другие префиксы и используют их. К примеру, в Республике Крым используется +7-869 (это для Севастополя), остальные же жители Крыма используют +7978.

Для звонков на номера любого сотового оператора, зарегистрированного в Российской Федерации, вне зависимости от расположения в домашнем регионе, нужно набрать формат 8 (код города) и восьмизначное значение или же +7 (код города) – это федеральное значение. Если нужно указать и добавочный номер, то нужно набрать изначально основной по вышеуказанной инструкции, дождаться ответа автоинформатора, а затем набрать дополнительный. Если телефон не поддерживает тональный режим, то сразу же после небольшой паузы введенного основного номера, прописывается символ Р, а далее уже дополнительную комбинацию.

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Как правильно писать номер телефона — формат телефонных номеров — номер телефона в международном формате

В каких странах и как именно принято писать телефонные номера

Особенности написания телефонных номеров — как принято писать телефонные номера, как правильно писать номера телефонов по международным стандартам.

Практически интернациональный формат телефонного номера не существует.

Формат номера телефона в USA — Как пишется номер телефона в Америке (США)

Все без исключения современные мобильные телефоны содержат полный латинский алфавит (а некоторые модели — русский). Тут возникает проблема с двумя способами использования букв. Первая модель — американская. Если вы едете по дороге и видите на большом грузовике надпись How am I driving? Call 1-800-EAT-SHIT, это значит, что вам предлагают позвонить по телефону 1-800-328-7448.

То есть американский формат записи XXX-XXXX

В Европе телефонные номера всегда отделялись блоками по две цифры.

Во Франции и в Великом Герцогстве Люксембург используют в качестве разделителя точки или пробелы (восьмизначные номера с кодом города):

XX.XX.XX.XX.XX

XX XX XX XX XX

0 800 XX XX XX

В Германии используют пробелы (реже — дефисы):

XXX XX XX

XXX-XX-XX

00 49 (XX XX) XX XX XX

(0 XX XX) X XX

В Болгарии принято писать телефонные номера тремя группами по две цифры:

XX-XX-XX

Особняком стоят Италия и Голландия, где очень часто можно встретить номера телефонов без каких-либо разделителей: XX XXXXXXX, 020-XXXXXXX — вопиющее надругательство над человеком, пытающимся такой номер не то что запомнить, а всего лишь прочитать. Особенно не хватает разделительного знака в записной книжке мобильного телефона — сходу разобрать десять слипшихся цифр нельзя.

В Великобритании (у которой в плане технических стандартов очень много общего с США) пишут номера телефонов двумя группами цифр:

020 XXXX XXXX

+44 20 XXXX XXXX

0XXXX XXXXXX (кроме Лондона)

0800 XXXXXX (бесплатные номера)

Тут уместно напомнить, что в английском языке не принято большие числительные читать одним словом. Даже год при произношении разбивается на два отдельных числа: 1998 по-английски читается как «девятнадцать девяносто восемь», а не «одна тысяча девятьсот девяносто восемь». Иногда числа произносят по одной цифре.

В России (и в СССР) все телефонные номера записывались согласно правилу: дефисом или пробелом отделяются пары цифр справа налево. Если в начале остались три цифры, разрешается записать их слитно.

Пункт 3 правил, опубликованных в «Списке абонентов Московской телефонной сети» за 1916 год, гласит:

«Нумера свыше сотни произносятся так: напр. 1.23 — один двадцать три, 9.72 — девять семьдесят два, 70.09 — семьдесят нуль девять. Нумера свыше 10.000 — произносятся отдельно каждая цифра сотни, например 1.20.48 — один двадцать сорок восемь, 2.08.35 — два нуль восемь тридцать пять, 3.35.29 — три тридцать пять двадцать девять, 4.49.52 — четыре сорок девять пятьдесят два, 5.15.86 — пять пятнадцать восемьдесят шесть и т. д., а не сто двадцать сорок восемь, двести восемь тридцать пять и т. д.»

Эти правила написания номера телефона хорошо знают и военные связисты — при произношении двузначных чисел вероятность ошибки принимающей (слушающей) стороны снижается.

Формат записи телефонного номера для России, стран СНГ и Балтии такой: XXX-XX-XX. Многие бывшие советские республики переняли американский формат записи (XXX-XXXX), совершенно не учитывая культурных, исторических и семантических значений такого формата.

В телефонных справочниках дефисы могут заменяться на пробелы (для экономии времени наборщиков):

Кроме отдельных случаев с удачным сочетанием цифр (типа 222-3-222) сегодня в России телефон должен писаться так:

123-45-67

12-34-56

1-23-45

12-34

(правильное написание телефонного номера для обычных городских номеров)

(123) 123-45-67

(1234) 12-34-56

(12345) 1-23-45

(123456) 12-34

(Как правильно писать телефонный номер для номеров с кодом города)

Например, как писать номер телефона в Москве: (095) 123-45-67

Федеральный формат номера сотового телефона:

8 123 123-45-67

(стандарт написания телефонного номера для номеров мобильных телефонов)

А вот телефонный номер России в международном формате:

+7 123 123-45-67

+7 1234 12-34-56

+7 12345 1-23-45

+7 123456 12-34

(номер телефона в международном формате — правильное написание телефонного номера для обозначения российских номеров телефонов за рубежом)

приведены цитаты из http://www.artlebedev.ru/kovodstvo2/sections/91/

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Список составили разработчики Java, C++ и JavaScript библиотеки libphonenumber для парсинга, форматирования и проверки телефонных номеров Телефонные номера используются повсеместно и довольно давно. Поэтому очень удивительно, сколько заблуждений остаётся у программистов относительно них. 1. Телефонные номера, действительные сейчас, останутся действительными всегда. Телефонные номера определённого типа (например, мобильные), никогда не сменят тип. Подключенный сегодня телефонный номер завтра могут отключить. Бесплатный сегодня номер завтра может стать платным. Оператор связи может расширить диапазон доступных номеров, добавив дополнительную цифру и увеличив длину номера.Подсказка. Не сохраняйте свойства телефонного номера, такие как валидность или тип. Проверяйте эту информацию с помощью библиотеки, когда необходимо. 2. Телефонный номер однозначно идентифицирует человека. Ещё не так давно, когда мобильников не существовало, считалось вполне нормальным иметь один домашний телефон для всей семьи. В некоторых районах мира такое сохранилось до сих пор, когда родственники (или даже друзья) пользуются общим телефонным номером. 3. У человека есть только один телефонный номер. Очевидно, это не всегда так. 4. Телефонные номера не могут быть использованы заново. Старые номера заново вводят в оборот и раздают другим людям. 5. Каждый код страны соответствует в точности одной стране. У США, Канады и нескольких карибских островов одинаковый код +1. Россия и Казахстан делят код +7. И это не единственные примеры! 6. Каждой стране соответствует только один код. В данный момент (март 2016 года) на телефоны в спорной и не всеми признанной территории Косово можно дозвониться через национальные коды Сербии (+381), Словении (+386) или Монако (+377), смотря где и когда был выдан номер.Подсказка. Используйте телефонный виджет, чтобы подтолкнуть пользователей к вводу телефонного номера в международном формате. 7. Телефонный номер можно набрать отовсюду. Некоторые номера можно набрать только внутри страны. Некоторые набираются из определённой группы стран, например, как международные номера 00800. Некоторые набираются только если абонент обслуживается конкретным оператором связи. 8. Есть только два способа набрать номер: в международном формате или в местном. Для некоторых номеров требуются различные префиксы, в зависимости от того, откуда набирается номер; с какого устройства и на какое устройство вы звоните; находитесь ли вы внутри или за пределами определённого географического региона. Примеры:

  • В Бразилии для внутренних звонков в определённых географических границ нужно явно указать код оператора, через которого вы хотите звонить.
  • В Непале предваряющий номер «0» опускается в зависимости от того, звоните вы с мобильного или стационарного телефона.
  • В Новой Зеландии нужно набрать код региона (например, 03), даже если номер в том же регионе, что и вы, за исключением «близкого» номера (обычно границы города/района), для которого код региона набирать нельзя.

Подсказка. Используйте formatForMobileDialling для получения конкретного номера, который пользователь должен набрать со своего мобильного телефона. 9. Чтобы сделать номер доступным для дозвона, достаточно сменить префикс. В Аргентине для внутренних звонков нужно вставить цифры «15» после кода региона, но перед местным номером, а цифру «9» после кода страны (54) нужно удалить. Так международный номер +54 9 2982 123456 превращается в местный номер 02982 15 123456. 10. Ни один префикс реального телефонного номера не может быть реальным телефонным номером. В некоторых странах возможно попасть на другого абонента, если набрать дополнительные цифры после телефонного номера. Так, номер 12345678 может принадлежать одному человеку, а номер 123456 — другому. 11. По неправильно набранному номеру невозможно дозвониться. В некоторых странах или на некоторых аппаратах лишние цифры отбрасываются. Например, 1-800-MICROSOFT — это неправильный номер, но он всё равно соединит с Microsoft, потому что лишние цифры отбрасываются. Также и на номера вроде 911 в некоторых странах можно позвонить, набрав 911123, но не во всех странах. В других странах оператор «исправляет» неправильный номер, например, добавляя мобильный код, если он знает, что это мобильный номер. 12. Все действующие телефонные номера соответствуют спецификациям ITU. Спецификации ITU содержат стандарты вроде такого: «Национальные номера не могут быть больше 16 разрядов», но в Германии раздавали действующие телефонные номера длиннее этого. 13. Все действующие телефонные номера принадлежат какой-либо стране. Есть много «национальных кодов», которые выдавали организациям без географической привязки, таким как «800» или спутниковые сервисы. 14. Телефонный номер содержит только цифры. В Израиле некоторые рекламные номера начинаются с «*». 15. Телефонные номера всегда написаны в ASCII. В Египте телефонные номера обычно записывают местными цифрами.См. такжеЗаблуждения программистов относительно времениЗаблуждения программистов об именах Возникла задача автоматического форматирования телефонных номеров в виде страна (город) номер, и первым делом я обратился к существующим решениям. К сожалению, оказалось, что все найденные решения основываются на обычном подгоне строки под пользовательский формат, имея ограниченную область применения и ошибки при выходе за ее пределы. Для начала приведу обзор найденных решений. Тем, кому это не интересно, рекомендую прокрутить ниже до заголовка «Форматы телефонных номеров» — там уже представлен мой вариант разбора номера с ссылкой на код.

Всеуничтожающий примитив

(Найденное решение. Мое ниже) Первое, на что я наткнулся — были сообщения на форумах и банки скриптов, предлагающие решения следующего плана:

<? function phone_number($sPhone){     $sPhone = ereg_replace(«[^0-9]»,»,$sPhone);     if(strlen($sPhone) != 10) return(False);     $sArea = substr($sPhone, 0,3);     $sPrefix = substr($sPhone,3,3);     $sNumber = substr($sPhone,6,4);     $sPhone = «(«.$sArea.«)».$sPrefix.«-«.$sNumber;     return($sPhone); }

Один из простых вариантов шустрого форматирования телефонных номеров, но каждое такое решение ориентировано на телефонные номера из конкретной локальной зоны и не является решением задачи.

Форматирование с помощью sscanf

(Найденное решение. Мое ниже)

function formatPhone($phone) {     if (empty($phone)) return«»;     if (strlen($phone) == 7)         sscanf($phone, «%3s%4s», $prefix, $exchange);     else if (strlen($phone) == 10)             sscanf($phone, «%3s%3s%4s», $area, $prefix, $exchange);         else if (strlen($phone) > 10)                 if(substr($phone, 0,1)==‘1’) {                     sscanf($phone, «%1s%3s%3s%4s», $country, $area, $prefix, $exchange);                 }                 else{                     sscanf($phone, «%3s%3s%4s%s», $area, $prefix, $exchange, $extension);             }             else                 return«unknown phone format: $phone»;     $out = «»;     $out .= isset($country)? $country.‘ ‘: »;     $out .= isset($area)? ‘(‘. $area. ‘) ‘: »;     $out .= $prefix. ‘-‘. $exchange;     $out .= isset($extension)? ‘ x’. $extension: »;     return$out; }

Не смотря на простое решение, эта функция уже умеет форматировать номера длиной 7, 10 и более цифр, но попадись ей номер из российской глубинки, она подавится и выдаст ошибочный результат.

Symfony, lib/helpers/PhoneHelper.php, format_phone

(Найденное решение. Мое ниже)

function format_phone($phone = », $convert = false, $trim = true) {     // If we have not entered a phone number just return empty     if (empty($phone)) {         return »;     }       // Strip out any extra characters that we do not need only keep letters and numbers     $phone = preg_replace(«/[^0-9A-Za-z]/», «», $phone);       // Do we want to convert phone numbers with letters to their number equivalent?     // Samples are: 1-800-TERMINIX, 1-800-FLOWERS, 1-800-Petmeds     if ($convert == true) {         $replace = array(‘2’=>array(‘a’,‘b’,‘c’),                  ‘3’=>array(‘d’,‘e’,‘f’),                      ‘4’=>array(‘g’,‘h’,‘i’),                  ‘5’=>array(‘j’,‘k’,‘l’),                                  ‘6’=>array(‘m’,‘n’,‘o’),                  ‘7’=>array(‘p’,‘q’,‘r’,‘s’),                  ‘8’=>array(‘t’,‘u’,‘v’), ‘9’=>array(‘w’,‘x’,‘y’,‘z’));           // Replace each letter with a number         // Notice this is case insensitive with the str_ireplace instead of str_replace          foreach($replace as $digit=>$letters) {             $phone = str_ireplace($letters, $digit, $phone);         }     }       // If we have a number longer than 11 digits cut the string down to only 11     // This is also only ran if we want to limit only to 11 characters     if ($trim == true && strlen($phone)>11) {         $phone = substr($phone,  0, 11);     }       // Perform phone number formatting here     if (strlen($phone) == 7) {         return preg_replace(«/([0-9a-zA-Z]{3})([0-9a-zA-Z]{4})/», «$1-$2», $phone);     } elseif (strlen($phone) == 10) {         return preg_replace(«/([0-9a-zA-Z]{3})([0-9a-zA-Z]{3})([0-9a-zA-Z]{4})/», «($1) $2-$3», $phone);     } elseif (strlen($phone) == 11) {         return preg_replace(«/([0-9a-zA-Z]{1})([0-9a-zA-Z]{3})([0-9a-zA-Z]{3})([0-9a-zA-Z]{4})/», «$1($2) $3-$4», $phone);     }       // Return original phone if not 7, 10 or 11 digits long     return $phone; }

Функция позволяет не только форматировать в XXX-XXXX, (XXX) XXX-XXXX и X (XXX) XXX-XXXX, но и конвертировать номера, написанные цифрами. Ограниченность функции в форматировании номеров длиной 7, 10 и 11 символов никак не подходит.

Форматы телефонных номеров

Из вики-статьи видно, что никакого простого и удобного паттерна для быстрого форматирования всех номеров не существует. Коды стран регистрируются, подобно доменным зонам, а коды городов — остаются на совести каждой из стран. Другими словами, маршрутизация звонков идет по маске, начиная с кода страны: звонок, направленный в конкретную страну далее пробивает себе маршрут в соответствии с кодами области, города, района и т.д. начиная с самой левой цифры, пока последнее звено не перебросит его на конкретный телефонный/факсовый аппарат. Проблема усложняется еще и тем, что коды городов внутри стран точно так же не поддаются единой сквозной стандартизации, т.е. в худшем из вариантов для правильного форматирования номеров придется использовать двумерный массив с кодами стран и их городов.На самом деле, все оказалось не так страшно. В каждой стране можно разделить все коды городов на две части: на те, что в большинстве своем совпадают по длине, и все остальные. Этого достаточно, чтобы резко сократить область перебора кодов при сравнении. Т.е. можно создать массив из данных по каждой стране вида:

<? $data = Array( ‘Код страны’=>Array(         ‘name’=>‘Имя страны’, // для удобства. Не будет использоваться.         ‘cityCodeLength’=> обычная_длина_кода_города_для_этой_страны,         ‘exceptions’=>Array(коды_городов_исключения),     ) );

Затем провести предварительную обработку данных, дополнив его полями, сужающими область перебора, exceptions_max и exceptions_min — максимальной и минимальной длиной кода городов-исключений, соответственно. Также необходимо учесть страны, в которых коды городов начинаются на 0 — отразим эту «особенность» полем zeroHack. Как пример:

<? $data = Array( ‘886’=>Array(         ‘name’=>‘Taiwan’,         ‘cityCodeLength’=>1,         ‘zeroHack’=>false,         ‘exceptions’=>Array(89,90,91,92,93,96,60,70,94,95),         ‘exceptions_max’=>2,         ‘exceptions_min’=>2     ), );

После этого возьмем подходящие участки кода из решений выше и сделаем функцию форматирования:

<? function phone($phone = », $convert = true, $trim = true) {     global $phoneCodes; // только для примера! При реализации избавиться от глобальной переменной.     if (empty($phone)) {         return »;     }     // очистка от лишнего мусора с сохранением информации о «плюсе» в начале номера     $phone=trim($phone);     $plus = ($phone[ 0] == ‘+’);     $phone = preg_replace(«/[^0-9A-Za-z]/», «», $phone);     $OriginalPhone = $phone;       // конвертируем буквенный номер в цифровой     if ($convert == true && !is_numeric($phone)) {         $replace = array(‘2’=>array(‘a’,‘b’,‘c’),         ‘3’=>array(‘d’,‘e’,‘f’),         ‘4’=>array(‘g’,‘h’,‘i’),         ‘5’=>array(‘j’,‘k’,‘l’),         ‘6’=>array(‘m’,‘n’,‘o’),         ‘7’=>array(‘p’,‘q’,‘r’,‘s’),         ‘8’=>array(‘t’,‘u’,‘v’),         ‘9’=>array(‘w’,‘x’,‘y’,‘z’));           foreach($replace as $digit=>$letters) {             $phone = str_ireplace($letters, $digit, $phone);         }     }       // заменяем 00 в начале номера на +     if (substr($phone,  0, 2)==«00»)     {         $phone = substr($phone, 2, strlen($phone)-2);         $plus=true;     }       // если телефон длиннее 7 символов, начинаем поиск страны     if (strlen($phone)>7)     foreach ($phoneCodes as $countryCode=>$data)     {         $codeLen = strlen($countryCode);         if (substr($phone,  0, $codeLen)==$countryCode)         {             // как только страна обнаружена, урезаем телефон до уровня кода города             $phone = substr($phone, $codeLen, strlen($phone)-$codeLen);             $zero=false;             // проверяем на наличие нулей в коде города             if ($data[‘zeroHack’] && $phone[ 0]==‘0’)             {                 $zero=true;                 $phone = substr($phone, 1, strlen($phone)-1);             }               $cityCode=NULL;             // сначала сравниваем с городами-исключениями             if ($data[‘exceptions_max’]!= 0)             for ($cityCodeLen=$data[‘exceptions_max’]; $cityCodeLen>=$data[‘exceptions_min’]; $cityCodeLen—)             if (in_array(intval(substr($phone,  0, $cityCodeLen)), $data[‘exceptions’]))             {                 $cityCode = ($zero? «0»: «»).substr($phone,  0, $cityCodeLen);                 $phone = substr($phone, $cityCodeLen, strlen($phone)-$cityCodeLen);                 break;             }             // в случае неудачи с исключениями вырезаем код города в соответствии с длиной по умолчанию             if (is_null($cityCode))             {                 $cityCode = substr($phone,  0, $data[‘cityCodeLength’]);                 $phone = substr($phone, $data[‘cityCodeLength’], strlen($phone)-$data[‘cityCodeLength’]);             }             // возвращаем результат             return ($plus? «+»: «»).$countryCode.‘(‘.$cityCode.‘)’.phoneBlocks($phone);         }     }     // возвращаем результат без кода страны и города     return ($plus? «+»: «»).phoneBlocks($phone); }   // функция превращает любое число в строку формата XX-XX-… или XXX-XX-XX-… в зависимости от четности кол-ва цифр function phoneBlocks($number){     $add=»;     if (strlen($number)%2)     {         $add = $number[ 0];         $add .= (strlen($number)<=5? «-«: «»);         $number = substr($number, 1, strlen($number)-1);     }     return $add.implode(«-«, str_split($number, 2)); }   // тесты echo phone(«+38 (044) 226-22-04»).«»; echo phone(«0038 (044) 226-22-04»).«»; echo phone(«+79263874814»).«»; echo phone(«4816145»).«»; echo phone(«+44 (0) 870 770 5370»).«»; echo phone(«0044 (0) 870 770 5370»).«»; echo phone(«+436764505509»).«»; echo phone(«(+38-048) 784-15-46 «).«»; echo phone(«(38-057) 706-34-03 «).«»; echo phone(«+38 (044) 244 12 01 «).«»;

, где global $phoneCodes; — тот самый массив с информацией по всем странам.Выведет

+380(44)226-22-04+380(44)226-22-04+7(926)387-48-14481-61-45+44(0870)770-53-70+44(0870)770-53-70+43(6764)50-55-09380(4878)415-46380(5770)634-03+380(44)244-12-01

Функция полностью решает поставленную задачу.Из недостатков функции следует отметить отсутствие анализа медленных участков с целью оптимизаци, а также обработки телефонных номеров, где есть код города, но нет кода страны (в этом случае достаточно бить на блоки функцией phoneBlocks или воспользоваться одним из решений выше). При использовании ее в какой-либо реализации необходимо заменить глобальную переменную на ссылку в параметре, а также можно доработать или заменить формат вывода, за который отвечает функция phoneBlocks.

Самое интересное

Используя информацию с сайтов:http://www.mtt.ru/info/def/index.wbphttp://www.hella.ru/code/codeuro.htmhttp://www.scross.ru/guide/phone-global/ я собрал массив данных по всем представленным странам, включая города-исключения, флаги zeroHack, а также коды мобильных сетей. Код можно загрузить здесь.

Быстродействие

Вопреки всем самым пессимистичным ожиданиям, код отрабатывает 10.000 номеров менее чем за 2 секунды.UPD Готовятся поправки:

  1. поддержка паттернов форматирования, принятых внутри конкретных стран («локально-принятые» нормы отображения номеров);
  2. добавление флага для указания, относительно какой страны выполнять форматирование номера;
  3. добавление параметра для указания формата вывода (в случае личных предпочтений и исключений);
  4. поддержка нелатинских буквенных номеров
  5. определение сотовых номеров и замена скобок на пробелы

UPD: Архив пропал с сервера, выложил на https://github.com/mrXCray/PhoneCodesСкоро будет обновление по поправкам выше + бонус. 219 40,4k 219

Используемые источники:

  • https://www.topnomer.ru/blog/mezhdunarodnyy-format-telefonnykh-nomerov.html
  • https://kakoperator.ru/collect/nomera-telefonov-v-mezhdunarodnom-formate-v-rossii
  • https://mr-alinaki.livejournal.com/3712.html
  • https://habr.com/p/279751/
  • https://m.habr.com/ru/post/102352/

Телефонные коды стран и городов мира



Коды телефонов городов России и международные телефонные коды стран мира. Ниже найдете информацию как позвонить и как набирать телефонный номер.

Часто спрашиваемые коды стран:
Коды городов регионов России,
городов Украины,
городов Казахстана,
городов Ленинградской области,
городов Московской области,
коды Америки

Порядок набора номера:

Как позвонить?

С городского телефона: 8-гудок-(код выхода на международную связь)-(международный код страны)-(код города)-(номер абонента)*

С мобильного телефона: +(международный код страны)-(код города)-(номер абонента)**

* код выхода на международную связь = 10(для России) (код выхода на международную связь, зависит от оператора связи)

** набирать «+» или «8» перед кодом страны, зависит от мобильного оператора.

Коды стран

(После названия страны, в скобочках, указан код страны)

Коды городов

(По названию страны можно перейти к кодам городов выбранной страны)

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