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Area codes 202 and 771. Coordinates: 38°54′N 77°2′W. 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.
Seattle, Shoreline, Lake Forest Park, Mercer Island, Bainbridge Island, Vashon Island. Original statewide area code until 1957, when area code 509 was created for Eastern Washington. Further splits in 1995 to create area code 360 for most of Western Washington, and 1997 to form area codes 253 and 425. 564 will be added to the 206 area in 2025. 509.
this was the first part of North America to have its code changed three times: from 213 to 714 1951: to 619 in 1982, and to 760 in 1997. was to have originally split off the portion of 760 serving San Diego County to a new 442 area code in late 2008/early 2009; that plan was cancelled. 2009: overlaid by 442. 761.
List of Washington area codes. List of Washington area codes may refer to: List of Washington (state) area codes. List of Washington, D.C., area codes.
The area code served the entire state of Maryland. Much of the Washington metropolitan area is part of a local calling area which is centered on the District's area code 202, and also extends into the suburban area in southern Maryland with 301 and Northern Virginia with area code 703. From 1947 to 1990, it was possible to dial any other ...
Area code 509. The Tri-Cities are three closely linked cities ( Kennewick, Pasco, and Richland) [ 2][ 3] at the confluence of the Yakima, Snake, and Columbia Rivers in the Columbia Basin of Eastern Washington. The cities border one another, making the Tri-Cities seem like one uninterrupted mid-sized city.
While the Washington metro area is split between three area codes—Maryland's 301, the District's 202, and 703—it was a single local calling area. Every number in the Maryland and Virginia portions of the metro area was protected from assignment in the District's 202, essentially making 202 an overlay for the entire metro.
This makes the fastest-dialing area code 212 (5 total clicks), followed by 312 and 213 (6 clicks). The area code 605 is much slower than these at 21 clicks. Many large US cities generally had fast-dialing area codes with the middle digit 1. Touch-tone dialing, introduced later, eliminated the wait.