Area Codes
| 509 | Washington (All of eastern Washington, including Spokane, the Tri-Cities, Yakima, Wenatchee, Walla Walla, Pullman, and Ellensburg) |
| 509 | Washington (All of eastern Washington, including Spokane, the Tri-Cities, Yakima, Wenatchee, Walla Walla, Pullman, and Ellensburg) |