| District of Washington area codes: 425 | |
|---|---|
| Country | United States |
| State/Province | Washington |
| Major City | Seattle |
| Time Zone | Pacific |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 425-526 | King | Issaquah, WA | Xo Washington |
| 425-527 | King | Bothell, WA | Xo Washington |
| 425-528 | King | Renton, WA | Xo Washington |
| 425-529 | King | Renton, WA | Xo Washington |
| 425-530 | Snohomish | Everett, WA | New Cingular Wireless PCS |
| 425-531 | King | Bellevue, WA | Sprint Spectrum L.p. |
| 425-533 | King | Bellevue, WA | Level 3 Communications |
| 425-535 | King | Bellevue, WA | American Messaging (am) |
| 425-538 | King | Kirkland, WA | Frontier Communications Northwest Inc. |
| 425-549 | King | Carnation, WA | Comcast Phone Of Washington/oregon |
| 425-551 | Snohomish | Everett, WA | Teleport Communications America |
| 425-556 | King | Kirkland, WA | Frontier Communications Northwest Inc. |
| 425-557 | King | Issaquah, WA | Qwest Corporation |
| 425-558 | King | Kirkland, WA | Frontier Communications Northwest Inc. |
| 425-562 | King | Bellevue, WA | Qwest Corporation |
| 425-563 | King | Seattle, WA | Electric Lightwave DBA Integra Telecom |
| 425-564 | King | Bellevue, WA | Qwest Corporation |
| 425-568 | King | Bellevue, WA | Usa Mobility Wireless |
| 425-569 | King | Maple Valley, WA | Tw Telecom Of Washington LLC |
| 425-572 | King | Redmond, WA | Teleport Communications America |
There are 509 prefixes, In the code area, the major cities are Bellevue, WA;Bothell, WA;Cascade-fairwood, WA;Cott. The major city is Seattle.