| ZIP | County | State | Area Code | Time Zone |
| 98520 | Grays Harbor | WA | 360 | PST |
| 98520 | Grays Harbor | WA | 360 | PST |
| 98220 | Whatcom | WA | 360 | PST |
| 98851 | Grant | WA | 509 | PST |
| 99101 | Stevens | WA | 509 | PST |
| 98052 | King | WA | 425 | PST |
| 98368 | Jefferson | WA | 360 | PST |
| 98522 | Lewis | WA | 360 | PST |
| 98851 | Grant | WA | 509 | PST |
| 98855 | Okanogan | WA | 509 | PST |
| 98343 | Clallam | WA | 360 | PST |
| 98362 | Clallam | WA | 360 | PST |
| 98902 | Yakima | WA | 509 | PST |
| 99001 | Spokane | WA | 509 | PST |
| 98564 | Lewis | WA | 360 | PST |
| 99102 | Whitman | WA | 509 | PST |
| 98328 | Pierce | WA | 253 | PST |
| 98563 | Grays Harbor | WA | 360 | PST |
| 98371 | Pierce | WA | 253 | PST |
| 98233 | Skagit | WA | 360 | PST |
| 98001 | King | WA | 253 | PST |
| 98232 | Skagit | WA | 360 | PST |
| 98524 | Mason | WA | 360 | PST |
| 99103 | Lincoln | WA | 509 | PST |
| 98571 | Grays Harbor | WA | 360 | PST |
| 98068 | Kittitas | WA | 425 | PST |
| 98570 | Lewis | WA | 360 | PST |
| 98526 | Grays Harbor | WA | 360 | PST |
| 99004 | Spokane | WA | 509 | PST |
| 98601 | Clark | WA | 360 | PST |
| 98498 | Pierce | WA | 253 | PST |
| 98052 | King | WA | 425 | PST |
| 98221 | Skagit | WA | 360 | PST |
| 98222 | San Juan | WA | 360 | PST |
| 99401 | Asotin | WA | 509 | PST |
| 98303 | Pierce | WA | 253 | PST |
| 98366 | Kitsap | WA | 360 | PST |
| 98602 | Klickitat | WA | 509 | PST |
| 98801 | Chelan | WA | 509 | PST |
| 98811 | Chelan | WA | 509 | PST |
| 98603 | Cowlitz | WA | 360 | PST |
| 98335 | Pierce | WA | 253 | PST |
| 98223 | Snohomish | WA | 360 | PST |
| 98335 | Pierce | WA | 253 | PST |
| 98304 | Pierce | WA | 360 | PST |
| 99402 | Asotin | WA | 509 | PST |
| 98001 | King | WA | 253 | PST |
| 98002 | King | WA | 253 | PST |
| 98003 | King | WA | 253 | PST |
| 98023 | King | WA | 253 | PST |
| 98047 | King | WA | 253 | PST |
| 98063 | King | WA | 253 | PST |
| 98071 | King | WA | 253 | PST |
| 98092 | King | WA | 253 | PST |
| 98093 | King | WA | 253 | PST |
| 98277 | Island | WA | 360 | PST |
| 98052 | King | WA | 425 | PST |
| 98846 | Okanogan | WA | 509 | PST |
| 98110 | Kitsap | WA | 206 | PST |
| 98226 | Whatcom | WA | 360 | PST |
| 98107 | King | WA | 206 | PST |
| 98315 | Kitsap | WA | 360 | PST |
| 98315 | Kitsap | WA | 360 | PST |
| 98224 | King | WA | 360 | PST |
| 99343 | Franklin | WA | 509 | PST |
| 98604 | Clark | WA | 360 | PST |
| 98604 | Clark | WA | 360 | PST |
| 98527 | Pacific | WA | 360 | PST |
| 98520 | Grays Harbor | WA | 360 | PST |
| 98144 | King | WA | 206 | PST |
| 98004 | King | WA | 425 | PST |
| 98305 | Clallam | WA | 360 | PST |
| 98368 | Jefferson | WA | 360 | PST |
| 98528 | Mason | WA | 360 | PST |
| 98004 | King | WA | 425 | PST |
| 98005 | King | WA | 425 | PST |
| 98006 | King | WA | 425 | PST |
| 98007 | King | WA | 425 | PST |
| 98008 | King | WA | 425 | PST |
| 98009 | King | WA | 425 | PST |
| 98015 | King | WA | 425 | PST |
| 98225 | Whatcom | WA | 360 | PST |
| 98226 | Whatcom | WA | 360 | PST |
| 98227 | Whatcom | WA | 360 | PST |
| 98228 | Whatcom | WA | 360 | PST |
| 98229 | Whatcom | WA | 360 | PST |
| 99104 | Whitman | WA | 509 | PST |
| 98520 | Grays Harbor | WA | 360 | PST |
| 99105 | Adams | WA | 509 | PST |
| 99320 | Benton | WA | 509 | PST |
| 98387 | Pierce | WA | 253 | PST |
| 99321 | Grant | WA | 509 | PST |
| 99322 | Klickitat | WA | 509 | PST |
| 98605 | Skamania | WA | 509 | PST |
| 98230 | Whatcom | WA | 360 | PST |
| 98133 | King | WA | 206 | PST |
| 98177 | King | WA | 206 | PST |
| 98010 | King | WA | 360 | PST |
| 98230 | Whatcom | WA | 360 | PST |
| 98231 | Whatcom | WA | 360 | PST |