| District of Washington area codes: 360 | |
|---|---|
| Country | United States |
| State/Province | Washington |
| Major City | Seattle |
| Time Zone | Pacific (UTC-08:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 360-323 | Island | Oak Harbor, WA | Pac - West Telecomm |
| 360-324 | Lewis | Chehalis, WA | Sprint Spectrum L.p. |
| 360-325 | Whatcom | Lynden, WA | Teleport Communications America |
| 360-326 | Clark | Vancouver, WA | Pac - West Telecomm |
| 360-327 | Clallam | Forks, WA | Centurytel Of Washington DBA Centurylink |
| 360-328 | Kitsap | Silverdale, WA | Mcleodusa Telecommunications Services- Wa |
| 360-329 | King | Seattle, WA | Teleport Communications America |
| 360-330 | Lewis | Centralia, WA | Qwest Corporation |
| 360-331 | Island | Langley, WA | Whidbey Telephone Co. |
| 360-332 | Whatcom | Lynden, WA | Frontier Communications Northwest Inc. |
| 360-333 | Skagit | Mount Vernon, WA | Cellco Partnership DBA Verizon Wireless |
| 360-334 | Clark | Vancouver, WA | New Cingular Wireless PCS |
| 360-335 | Clark | Camas, WA | Frontier Communications Northwest Inc. |
| 360-336 | Skagit | Mount Vernon, WA | Frontier Communications Northwest Inc. |
| 360-337 | Kitsap | Silverdale, WA | Qwest Corporation |
| 360-338 | Thurston | Olympia, WA | Comcast Phone Of Washington/oregon |
| 360-339 | Thurston | Olympia, WA | New Cingular Wireless PCS |
| 360-340 | Kitsap | Silverdale, WA | Sprint Spectrum L.p. |
| 360-341 | Island | Langley, WA | Whidbey Telephone Co. |
| 360-342 | Clark | Battle Ground, WA | Tw Telecom Of Oregon LLC - OR |
There are 740 prefixes, In the code area, the major cities are Bellingham, WA;Bremerton, WA;Lacey, WA;Longview, W. The major city is Seattle.