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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: January 1, 1957 [1] Eastern Washington, including Spokane, the Tri-Cities, Yakima ...
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 ...
List of Washington area codes may refer to: List of Washington (state) area codes; List of Washington, D.C., area codes This page was last edited on 23 ...
Map of Washington's area codes. The red-highlighted area has area code 425. Area code 425 is a telephone area code in the North American Numbering Plan (NANP) for the suburbs north and east of Seattle in the U.S. state of Washington. The numbering plan area includes the Eastside, extending east to North Bend, north to Everett, and south to ...
Map of Washington's area codes. Area 253 is shown in red. Area code 253 is a telephone area code in the North American Numbering Plan (NANP) for a part of the U.S. state of Washington. The numbering plan area (NPA) includes cities in King County that are situated south of Seattle and the southern Puget Sound area, centered at Tacoma and ...
2 Area codes by country, state, province, and regions. ... Washington (Seattle area) 1947: created for all of Washington; 1957: split to create 509; 1995: split to ...
List of Washington (state) area codes; 0–9. Area code 206; Area code 253; Area code 360; Area code 425; Area code 509; Area code 564
The numbering plan area (NPA) serves all of western Washington outside urban King, Pierce, and Snohomish counties and Bainbridge Island, Until January 15, 1995, when the area code commenced service, the numbering plan area (NPA) was served by area code 206, Washington's original area code since 1947.