Area code 509

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North American area code 509 is a state of Washington telephone area code which covers central and eastern Washington, including Spokane, Yakima, and Walla Walla. It was created in a split from area code 206 in a flash-cut, sometime during 1957.

State of Washington area codes: 206, 253, 360, 425, 509
North: 250
West: 360, 425 area code 509 East: 208
South: 541


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