| 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 |
|---|---|---|---|
| 360-242 | Lewis | Chehalis, WA | Teleport Communications America |
| 360-243 | Snohomish | Snohomish, WA | Broadwing Communications |
| 360-244 | Pacific | Long Beach, WA | New Cingular Wireless PCS |
| 360-245 | Lewis | Curtis, WA | Centurytel Of Washington DBA Centurylink |
| 360-246 | Island | Oak Harbor, WA | Teleport Communications America |
| 360-247 | Clark | Amboy, WA | Lewis River Telephone Company |
| 360-248 | Lewis | Packwood, WA | Teleport Communications America |
| 360-249 | Grays Harbor | Montesano, WA | Centurytel Of Washington DBA Centurylink |
| 360-250 | Thurston | Olympia, WA | Sprint Spectrum L.p. |
| 360-251 | Snohomish | Darrington, WA | Teleport Communications America |
| 360-252 | Thurston | Olympia, WA | Teleport Communications America |
| 360-253 | Clark | Vancouver, WA | Qwest Corporation |
| 360-254 | Clark | Vancouver, WA | Qwest Corporation |
| 360-255 | Whatcom | Lynden, WA | Advanced Telcom Group |
| 360-256 | Clark | Vancouver, WA | Qwest Corporation |
| 360-257 | Island | Oak Harbor, WA | Frontier Communications Northwest Inc. |
| 360-258 | Clark | Vancouver, WA | Teleport Communications America |
| 360-259 | Thurston | Olympia, WA | New Cingular Wireless PCS |
| 360-260 | Clark | Vancouver, WA | Qwest Corporation |
| 360-261 | Cowlitz | Longview, WA | T-mobile Usa |
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.