| District of Washington area codes: 509 | |
|---|---|
| Country | United States |
| State/Province | Washington |
| Major City | Spokane |
| Time Zone | Pacific (UTC-08:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 509-246 | Grant | Soap Lake, WA | Frontier Communications Northwest Inc. |
| 509-247 | Spokane | Spokane, WA | Tw Telecom Of Washington LLC |
| 509-248 | Yakima | Yakima, WA | Qwest Corporation |
| 509-249 | Yakima | Yakima, WA | Qwest Corporation |
| 509-250 | Klickitat | Goldendale, WA | New Cingular Wireless PCS |
| 509-251 | Spokane | Spokane, WA | T-mobile Usa |
| 509-252 | Spokane | Spokane, WA | Tw Telecom Of Washington LLC |
| 509-253 | Lincoln | Harrington, WA | Centurytel Of Washington DBA Centurylink |
| 509-254 | Asotin | Clarkston, WA | Xo Washington |
| 509-255 | Spokane | Liberty Lake, WA | Qwest Corporation |
| 509-256 | Asotin | Anatone, WA | Asotin Telephone Co. |
| 509-257 | Lincoln | Sprague, WA | Centurytel Of Washington DBA Centurylink |
| 509-258 | Stevens | Springdale, WA | Qwest Corporation |
| 509-259 | Lincoln | Sprague, WA | Eastern Sub-rsa Limited Partnership |
| 509-260 | Kittitas | Cle Elum, WA | New Cingular Wireless PCS |
| 509-261 | Klickitat | Goldendale, WA | United States Cellular Corp. - Washington |
| 509-262 | Spokane | Deer Park, WA | Qwest Corporation |
| 509-263 | Spokane | Spokane, WA | T-mobile Usa |
| 509-264 | Chelan | Wenatchee, WA | Sprint Spectrum L.p. |
| 509-265 | Franklin | Mesa, WA | Centurytel Of Washington DBA Centurylink |
There are 634 prefixes, In the code area, the major cities are Kennewick, WA;Opportunity, WA;Pasco, WA;Pullman, W. The major city is Spokane.