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Area codes in Washington state. The U.S. state of Washington has six telephone area codes. The state initially used a single area code until it was divided in 1957 with the creation of area code 509 to serve Eastern Washington.
List of Washington area codes may refer to: List of Washington (state) area codes. List of Washington, D.C., area codes.
There are 6 active area codes in the state of Washington. Each of these area codes are listed below. There are two lists that Wirefly provides for the area codes in Washington. The first table below shows the most populated cities in Washington with the area codes listed next to them.
Lookup area codes by state. View our Washington area code information.
Find Washington area codes by city or lookup which cities belong to an area code.
Area Codes in Washington. The complete list of all valid area codes in Washington.
Area code 206 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of Washington. The numbering plan area (NPA) includes Seattle and most of its innermost suburbs. This includes such suburbs as Shoreline and Lake Forest Park ; Mercer , Bainbridge , and Vashon Islands; and portions of metropolitan Seattle from ...
Below are the list Washington state area codes by city and county listed by alphabetical order. Find Washington area codes by city or lookup which cities belong to an area code. Area code 206, 253, 360, 425, 509 covers the entire state of Washington.
Washington Area Codes Area code lookup. Washington is currently using 6 area codes
Washington state has six number plan areas (NPAs). Five are in western Washington; 206, 253, 360, 425, 564 NPAs and one in eastern Washington; 509 NPA. The 564 NPA is an overlay NPA for western Washington. The area code, 564, was created in 2017 to overlay the 360, 206, 253, and 425 as each of those area codes exhaust number resources.