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This Recommendation provides the number structure and functionality for the three categories of numbers used for international public telecommunications – these are geographic areas, global services and networks.
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Nov 23, 2023 · How to Write UK Phone Number in International Format? There is a standard way of writing phone numbers in the UK by using XXX-XXX-XXXX. You would need to add the country code to a UK phone number in order to convert it into an international format. The international format for a UK phone number would be +44 XXX-XXX-XXXX.
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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.
May 16, 2024 · The international phone number format, also known as the E.164 format, is a standardized way of writing phone numbers defined by the International Telecommunication Union (ITU). The unique structure of the international dialing number ensures that the calls made from one country to another are correctly routed.
E.123 is an international standard by the standardization union , entitled Notation for national and international telephone numbers, e-mail addresses and web addresses. It provides guidelines for the presentation of telephone numbers, email addresses, and web addresses in print, on letterheads, and similar purposes.
The standard notation for printing telephone numbers on letterheads, directories, etc., helps to reduce subscriber difficulties and errors1). § 1.3 and 1.4 below. 1.2 The words “National” and “International” in the appropriate language should be placed to the left of the national and international numbers, and these should be separated ...
9.3. Telephone numbers. The ways of writing telephone numbers are controlled by various international standards issued by the International Telecommunication Union (principally recommendations ITU-T E.122, E.123 and E.126). In practice, however, these norms pose various difficulties, especially those concerning the recommended forms of ...
