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Area codes are also assigned for non-geographic purposes. The rules for numbering NPAs do not permit the digits 0 and 1 in the leading position. [1] Area codes with two identical trailing digits are easily recognizable codes (ERC). NPAs with 9 in the second position are reserved for future format expansion.
The largest telephone numbering plan in North American is the North American Numbering Plan (NANP), serving 25 regions or countries. Other countries maintain an autonomous numbering plan with distinct country codes within the international E.164 specifications by the International Telecommunication Union. Original North American area codes
Became WAC 262 Timor-Leste with new country code TL. 1 862 86201 Timor-Leste Australasia and Oceania Timor-Leste Independent State in the World Dili TL 2002-05-01 On 20 May 2002, Timor-Leste was internationally recognized as an independent state. East Timor (WAC 261) controlled by Indonesia became WAC 262 with new country code TL. 1 874 87401
Zone 8 uses four two-digit codes (81, 82, 84, 86) and four sets of three-digit codes (80x, 85x, 87x, 88x) to serve East Asia, South Asia and special services. Zone 9 uses seven two-digit codes (90–95, 98) and three sets of three-digit codes (96x, 97x, 99x) to serve the Middle East, West Asia, Central Asia, parts of South Asia and Eastern Europe.
Dymaxion map of the world with the 30 largest countries and territories by area. This is a list of the world's countries and their dependencies, ranked by total area, including land and water. This list includes entries that are not limited to those in the ISO 3166-1 standard, which covers sovereign states and dependent territories.
After the success of these trials, [23] [27] expansion of the numbering plan accelerated with new crossbar systems and four new area codes in 1953, and seven in 1954. By the end of the decade thirty-one new area codes had been created in addition to the initial allotment of 1947. [28] to satisfy the post-war surge in demand for telephone service.
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.
Each area code is a 3-digit number which can refer to a wide variety of geographical and political regions, like a continent and a country. Codes assigned in the system generally do not change when the country or area's name changes (unlike ISO 3166-1 alpha-2 or ISO 3166-1 alpha-3), but instead change when the territorial extent of the country ...