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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 The reason given is: much information is outdated, a flag of number portability may need to be added.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.
List of telephone country codes Telephone country codes are telephone number prefixes for reaching subscribers in foreign countries or areas by international direct dialing (IDD).
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.
Recommendation E.123 specifies the format of telephone numbers assigned to telephones and similar communication endpoints in national telephone numbering plans. In examples, a numeric digit is used only if the digit is the same in every number, and letters to illustrate groups.
For example, a telephone number in North America consists of a three-digit area code, a three-digit central office code, and four digits for the line number. If the numbering plan area does not use an overlay plan with multiple area codes, or if the provider allows it for other technical reasons, seven-digit dialing may be permissible for calls ...
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, the symbol + before the country code may be used irrespective of where the telephone is used at that moment; the network operator ...
Telephone numbering plan A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. [1] Telephone numbers are the addresses of participants in a telephone network, reachable by a system of destination code routing.
Telephone prefix A telephone prefix is the first set of digits after the country, and area codes of a telephone number. In the North American Numbering Plan countries (country code 1), it is the first three digits of a seven-digit local phone number, the second three digits of the 3-3-4 scheme.