| | Columbia County | WA | 53013 | | | | | metro county (urban) | farm-dependent | https://maps.google.com/?q=ColumbiaCounty+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 |
| | Klickitat County | WA | 53039 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=KlickitatCounty+WA |
| | Lincoln County | WA | 53043 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=LincolnCounty+WA |
| | Okanogan County | WA | 53047 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=OkanoganCounty+WA |
| | Pacific County | WA | 53049 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=PacificCounty+WA |
| | Pend Oreille County | WA | 53051 | | | | | metro county (urban) | nonspecialized | https://maps.google.com/?q=PendOreilleCounty+WA |
| | San Juan County | WA | 53055 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=SanJuanCounty+WA |
| | Wahkiakum County | WA | 53069 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=WahkiakumCounty+WA |