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The red area is the District of Columbia, served by area codes 202 and 771. Area codes 202 and 771 are telephone area codes in the North American Numbering Plan (NANP) for Washington, D.C. Area code 202 was one of the original North American area codes established in October 1947 by AT&T. After the State of New Jersey with area code 201, the ...
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.
Overlay area codes Location Notes Added ... Western half of Kentucky, including the Purchase area, ... 202: Washington, D.C. 774: 508:
This page was last edited on 24 December 2023, at 10:18 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Pages in category "Area codes in Washington, D.C." ... 0–9. Area codes 202 and 771 This page was last edited on 27 August 2020, at 02:21 (UTC). ...
The Commonwealth of Kentucky is served by the following area codes: 270/364, which serve western Kentucky and the western half of South Central Kentucky; 502, which serves the Louisville and Frankfort areas; 606, which serves eastern Kentucky, including the Eastern Coalfield; 859, which serves the Lexington area and Northern Kentucky
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.
Schematic map showing (in red) geographical area of District of Columbia serving area codes 202/771 and surrounding areas in Maryland 240/227/301 and Virginia 571/703 US area codes. This has been updated to cover latest area code information for DC, Maryland and Virginia adjacent area codes as of 2023-06-28.