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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.
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.
Washington currently utilizes 6 area codes. When first established by AT&T and the Bell System in 1947, 206 covered the entire state of Washington. The most recently added was 564 in 2017 as an overlay to 360. Today, 360 is the most populated with an estimated 3.6 million of the state's 6.7 million residents. 206. Timezone: Pacific.
12 lut 2020 · Washington Area Codes. Home > U.S. > States > Washington Area Codes. Updated February 12, 2020 | Infoplease Staff. Source: North American Numbering Plan Administration. Web: www.nanpa.com . To find phone numbers, area code information, and area code maps, see our White Pages.
The U.S. state of Washington has six telephone area codes. The state initially used a single area code (206) until it was divided in 1957 with the creation of area code 509 to serve Eastern Washington.
Area code 509 is the telephone area code in the North American Numbering Plan (NANP) for the eastern part of the U.S. state of Washington. The numbering plan area (NPA) roughly comprises the state east of the Cascade Mountains, and includes Spokane, the Tri-Cities (Richland, Pasco, and Kennewick), Ellensburg, Yakima, Walla Walla, and Wenatchee ...
