| | Baker County | OR | 41001 | | Baker City, OR 12520 | | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=BakerCounty+OR |
| | Clatsop County | OR | 41007 | | Astoria, OR 11820 | | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=ClatsopCounty+OR |
| | Coos County | OR | 41011 | | Coos Bay-North Bend, OR 18300 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=CoosCounty+OR |
| | Crook County | OR | 41013 | | Bend, OR 13460 | | Outlying | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=CrookCounty+Oregon |
| | Deschutes County | OR | 41017 | | Bend, OR 13460 | | Central | metro county (urban) | recreation | https://maps.google.com/?q=DeschutesCounty+Oregon |
| | Douglas County | OR | 41019 | | Roseburg, OR 40700 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=DouglasCounty+OR |
| | Gilliam County | OR | 41021 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=GilliamCounty+OR |
| | Grant County | OR | 41023 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=GrantCounty+OR |
| | Harney County | OR | 41025 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=HarneyCounty+OR |
| | Hood River County | OR | 41027 | | Hood River, OR 26220 | | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=HoodRiverCounty+OR |