Washington counties
Every county in Washington, with the ZIP codes recorded in each. Pick one to see its full ZIP code list.
- counties
- 39
- ZIP codes
- 716
All Washington counties
| County | ZIP codes | Largest city |
|---|---|---|
| Adams County | 5 | Benge |
| Asotin County | 3 | Anatone |
| Benton County | 10 | Kennewick |
| Chelan County | 14 | Wenatchee |
| Clallam County | 11 | Port Angeles |
| Clark County | 23 | Vancouver |
| Columbia County | 2 | Dayton |
| Cowlitz County | 11 | Ariel |
| Douglas County | 7 | Bridgeport |
| Ferry County | 9 | Boyds |
| Franklin County | 6 | Pasco |
| Garfield County | 1 | Pomeroy |
| Grant County | 16 | Beverly |
| Grays Harbor County | 21 | Aberdeen |
| Island County | 7 | Oak Harbor |
| Jefferson County | 7 | Brinnon |
| King County | 120 | Seattle |
| Kitsap County | 26 | Bremerton |
| Kittitas County | 9 | Cle Elum |
| Klickitat County | 15 | Appleton |
| Lewis County | 22 | Adna |
| Lincoln County | 11 | Almira |
| Mason County | 9 | Allyn |
| Okanogan County | 19 | Brewster |
| Pacific County | 14 | Bay Center |
| Pend Oreille County | 6 | Cusick |
| Pierce County | 79 | Tacoma |
| San Juan County | 9 | Blakely Island |
| Skagit County | 14 | Mount Vernon |
| Skamania County | 4 | Carson |
| Snohomish County | 37 | Everett |
| Spokane County | 53 | Spokane |
| Stevens County | 18 | Addy |
| Thurston County | 21 | Olympia |
| Wahkiakum County | 4 | Cathlamet |
| Walla Walla County | 8 | Burbank |
| Whatcom County | 18 | Bellingham |
| Whitman County | 22 | Pullman |
| Yakima County | 25 | Yakima |
Scope every county-equivalent recorded in Washington. Source Census 2024 county Gazetteer (2024 Gazetteer) and GeoNames US postal codes (2026-07 postal dump). Updated . Names and boundaries follow the Census Bureau's current county-equivalent set, not the WA postal source's older names.