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Worldwide distribution of country calling codes. Regions are coloured by first digit. Telephone country codes, originally termed International Codes by the International Telegraph and Telephone Consultative Committee (C.C.I.T.T.) in 1960, [1] but also sometimes referred to as "country dial-in codes", or historically "international subscriber dialing" (ISD) codes in the U.K., are telephone ...
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.
Area code 989 is a telephone area code in the North American Numbering Plan for Central Michigan, the northeastern Lower Peninsula, and portions of the Thumb. It is the highest-numbered area code in use in the North American Numbering Plan (NANP), [ 1 ] as well as the highest possible under the current system, in which a middle digit of 9 is ...
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. In other countries, both the prefix and the number may have ...
before 1997: reached via IDDD using country code 670: 1997: assigned area code 670 Guam: before 1997: reached via IDDD using country code 671: 1997: assigned area code 671 American Samoa: before October 1, 2004: reached via IDDD using country code 684: 2004: assigned area code 684 Sint Maarten: before September 30, 2011: reached via IDDD using ...
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 ...
Therefore, numbering plan area codes, often termed just area codes, were defined to have three digits, with the middle digit being 0 or 1. Initially, area codes with the middle digit 0 were assigned to numbering plan areas that comprised an entire state or province, while jurisdictions with multiple numbering plan areas received area codes ...
The original North American area codes were assigned in 1947 as routing codes for operator calls, but by 1951, the first cross-country Bell System direct distance dial was placed directly from a subscriber station. The system was based on fixed-length numbers; a direct-dial long-distance call consisted of a three-digit area code and a seven ...