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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.
202: Washington, D.C. 1947: 2021: overlaid by 771; 203: ... area code 387 is reserved as a fifth code for the region; 438: Quebec (Montreal metropolitan area ...
New Jersey received the first NPA code in the new system, area code 201. [29] The second area code, 202, was assigned to the District of Columbia. The allocation of area codes was readjusted as early as 1948 before the implementation of the plan commenced.
Central office code protection made it possible in some low-density areas to use seven digits to reach areas in another area code. Examples: Washington, D.C. (area code 202) to adjacent areas of Maryland (area code 301) and Virginia (area code 703), discontinued on October 1, 1990, to allow assignment of a code in all three area codes.
This realignment resulted in Sacramento changing from area code 415 to 916, and Bakersfield to 213. During the initial trials of DDD, starting in 1951, area code 318 was temporarily installed for the new toll-switching center in San Francisco to separate calls destined through Oakland (415), as six-digit translation was not available until two ...
Pages for logged out editors learn more. Contributions; Talk; Area code 202
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.
Retrieved from "https://en.wikipedia.org/w/index.php?title=202_area_code&oldid=1043455496"This page was last edited on 10 September 2021, at 05:23 (UTC) (UTC)