Area code 509
telephone area code for the eastern two-thirds of Washington
Area code 509 is an area code for Washington. It was created as a split from 206 in 1957. It covers the eastern portion of the state, consisting of towns such as Spokane, Ellensburg, Yakima, Walla Walla, Wenatchee, Richland, Pasco, Ephrata, Quincy and Kennewick.
This short article about the United States can be made longer. You can help Wikipedia by adding to it.