| | | Asotin County | WA | 53003 | | Lewiston, ID-WA 30300 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=AsotinCounty+WA |
| | | Chelan County | WA | 53007 | | Wenatchee-East Wenatchee,
WA 48300 | | Central | metro county (urban) | recreation | https://maps.google.com/?q=ChelanCounty+WA |
| | | Clallam County | WA | 53009 | | Port Angeles, WA 38820 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=ClallamCounty+WA |
| | | Columbia County | WA | 53013 | | | | | metro county (urban) | farm-dependent | https://maps.google.com/?q=ColumbiaCounty+WA |
| | | Douglas County | WA | 53017 | | Wenatchee-East Wenatchee,
WA 48300 | | Central | metro county (urban) | farm-dependent | https://maps.google.com/?q=DouglasCounty+WA |
| | | Ferry County | WA | 53019 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=FerryCounty+WA |
| | | Garfield County | WA | 53023 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=GarfieldCounty+WA |
| | | Grays Harbor County | WA | 53027 | | Aberdeen, WA 10140 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=GraysHarborCounty+WA |
| | | Jefferson County | WA | 53031 | | Port Townsend, WA 39040 | | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=JeffersonCounty+WA |
| | | Kittitas County | WA | 53037 | | Ellensburg, WA 21260 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=KittitasCounty+WA |
