| 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 |
|---|---|---|---|
| 509-200 | Walla Walla | Walla Walla, WA | Sprint Spectrum L.p. |
| 509-201 | Kittitas | Ellensburg, WA | Charter Fiberlink Wa-ccvii |
| 509-202 | Spokane | Spokane, WA | 365 Wireless |
| 509-203 | Yakima | Grandview, WA | Level 3 Communications |
| 509-204 | Kittitas | Cle Elum, WA | 360networks (usa) Inc. |
| 509-205 | Benton | Kennewick, WA | T-mobile Usa |
| 509-207 | Ferry | Republic, WA | New Cingular Wireless PCS |
| 509-209 | Spokane | Spokane, WA | Tw Telecom Of Washington LLC |
| 509-210 | Spokane | Liberty Lake, WA | Xo Washington |
| 509-212 | Benton | Kennewick, WA | T-mobile Usa |
| 509-214 | Spokane | Newman Lake, WA | Xo Washington |
| 509-215 | Lincoln | Davenport, WA | New Cingular Wireless PCS |
| 509-216 | Spokane | Spokane, WA | Leap Wireless Intl DBA Cricket Comm |
| 509-217 | Spokane | Spokane, WA | Leap Wireless Intl DBA Cricket Comm |
| 509-218 | Spokane | Spokane, WA | Leap Wireless Intl DBA Cricket Comm |
| 509-219 | Skamania | Stevenson, WA | Axxis Communications |
| 509-220 | Spokane | Spokane, WA | Cellco Partnership DBA Verizon Wireless |
| 509-221 | Benton | Kennewick, WA | Frontier Communications Northwest Inc. |
| 509-222 | Benton | Kennewick, WA | Frontier Communications Northwest Inc. |
| 509-223 | Okanogan | Loomis, WA | Frontier Communications Northwest Inc. |
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.