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Mobile phone numbers are always 10 digits (three digits for the service provider, plus a seven-digit number). When making long-distance calls in the Philippines, the prefix 0 for domestic calls and 00 for international calls are used.
National conventions for writing telephone numbers vary by country. The International Telecommunication Union (ITU) publishes a recommendation entitled Notation for national and international telephone numbers, e-mail addresses and Web addresses. Recommendation E.123 specifies the format of telephone numbers assigned to telephones and similar communication endpoints in national telephone ...
E.164 defines a general format for international telephone numbers. Plan-conforming telephone numbers are limited to only digits and to a maximum of fifteen digits. [1] The specification divides the digit string into a country code of one to three digits, and the subscriber telephone number of a maximum of twelve digits.
List of mobile telephone prefixes by country Parts of this article (those related to table) need to be updated. The reason given is: much information is outdated, a flag of number portability may need to be added. April 2024 This is a list of mobile telephone prefixes by country.
Ten-digit dialing is a telephone dialing procedure in the countries and territories that are members of the North American Numbering Plan (NANP). It is the practice of including the area code of a telephone number when dialing to initiate a telephone call.
Telephone numbers in Vietnam. Vietnam 's country code is +84. There are many area codes for landlines, as well as a separate format for mobile phone numbers. The five emergency phone numbers are 111 (child protection), 112 (lifesaving services), 113 (police), 114 (fire), and 115 (first aid).
List of postal codes This list shows an overview of postal code notation schemes for all countries that have postal or ZIP Code systems.
A value-added tax identification number or VAT identification number (VATIN[1]) is an identifier used in many countries, including the countries of the European Union, for value-added tax purposes.