| General Information about Area Code 509 | |
|---|---|
| Country | United States |
| State / Province / Territory | Washington |
| Major City | Spokane |
| Time Zone | Pacific (UTC-08:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 509-940 | West Richland | Benton | Landline |
| 509-398 | Ephrata | Grant | Wireless |
| 509-956 | Walla Walla | Walla Walla | Wireless |
| 509-352 | Spokane | Spokane | Landline |
| 509-442 | Ione | Pend Oreille | Landline |
| 509-416 | Pasco | Franklin | Landline |
| 509-540 | Walla Walla | Walla Walla | Wireless |
| 509-675 | Colville | Stevens | Wireless |
| 509-913 | Othello | Adams | Landline |
| 509-775 | Republic | Ferry | Landline |
| 509-966 | Yakima | Yakima | Landline |
| 509-399 | Hay | Whitman | Landline |
| 509-445 | Cusick | Pend Oreille | Landline |
| 509-346 | Othello | Adams | Landline |
| 509-687 | East Wenatchee | Douglas | Landline |
| 509-560 | Loomis | Okanogan | Landline |
| 509-387 | East Wenatchee | Douglas | Wireless |
| 509-207 | Republic | Ferry | Wireless |
| 509-237 | Ephrata | Grant | Landline |
| 509-373 | West Richland | Benton | Landline |