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Each NPA is identified by one or more numbering plan area codes (NPA codes, or area codes), consisting of three digits that are prefixed to each local telephone number having seven digits. A numbering plan area with multiple area codes is called an overlay. Area codes are also assigned for non-geographic purposes.
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
An area code of three digits dialed after the country code determines the area served in the United States and its territories, Canada, and much of the Caribbean. Zone 2 uses two 2-digit codes (20, 27) and eight sets of 3-digit codes (21x–26x, 28x, 29x), mostly to serve Africa , but also Aruba , Faroe Islands , Greenland and British Indian ...
Each three-digit area code has a capacity of 7,919,900 telephone numbers (7,918,900 in the United States). Despite widespread use as fictional telephone numbers in the form NXX 555-XXXX , only line numbers 0100 through 0199 are reserved for this purpose, while 1212 and 4334 are the only assigned uses for directory assistance and other functions.
Dependency and Area of Special Sovereignty United States 1950-01-01 1968-05-31 Retired. Area is now under WAC 736. The United States returned control of the islands to Japan in June 1968. (No airports in this WAC.) 1 706 70601 Myanmar Far East Burma Independent State in the World Rangoon MM 1950-01-01 1 707 70701 British Indian Ocean Territory
A phone number communicates a lot --and if you dig a little deep, an area code contains information about the economic ... 800-290-4726 more ways to reach us. Mail. Sign in. Subscriptions; Business;
To find out the 25 poorest and richest area codes, GOBankingRates used the 2015 Census Community Survey, the most recent data available, to rank cities across the nation in order of mean household ...
In 1951, the number of area codes grew to ninety: the State of New York gained area code 516 on Long Island, and Southern California received area code 714, to reduce the numbering plan area of Los Angeles. [23] Area code handbook issued by many telephone companies in 1962 to promote the newly introduced direct distance dialing.