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Country codes are defined by the International Telecommunication Union (ITU) in ITU-T standards E.123 and E.164. The prefixes enable international direct dialing (IDD). Country codes constitute the international telephone numbering plan. They are used only when dialing a telephone number in a country or world region other than the caller's.
This is a list of international dialing prefixes used in various countries for direct dialing of international telephone calls.These prefixes are typically required only when dialling from a landline, while in GSM-compliant mobile phone (cell phone) systems, only the symbol + before the country code may be used [citation needed] irrespective of where the telephone is used at that moment; the ...
Lists of country codes. This is a listing of lists of country codes: List of ISO country codes (ISO 3166) ITU country code (International Telecommunication Union) List of country calling codes E.164. Mobile country code E.212. Maritime identification digits. List of ITU letter codes (radiocommunication division)
Mobile phones use geographic area codes (two digits): after that, all numbers assigned to mobile service have nine digits, starting with 6, 7, 8 or 9 (example: 55 15 99999–9999). 90 is not possible, because collect calls start with this number.
Telephone numbers in Gabon. Telephone numbers in the Gambia. Telephone numbers in Georgia (country) List of dialling codes in Germany. Telephone numbers in Germany. Telephone numbers in Ghana. Telephone numbers in Gibraltar. Telephone numbers in Greece. Telephone numbers in Greenland.
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 ...
A country code is a short alphanumeric identification code for countries and dependent ... code, is a telephone number prefix used in international direct dialing ...
This recommendation describes the procedures and criteria for the reservation, assignment, and reclamation of E.164 country codes and associated identification code (IC) assignments. [3] The criteria and procedures are provided as a basis for the effective and efficient utilization of the available E.164 numbering resources.