| | Yuma County | CO | 08125 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=YumaCounty+CO |
| | Weld County | CO | 08123 | | Greeley, CO 24540 | Denver-Aurora-Greeley, CO 216 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=WeldCounty+CO |
| | Washington County | CO | 08121 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=WashingtonCounty+CO |
| | Teller County | CO | 08119 | | Colorado Springs, CO 17820 | | Outlying | metro county (urban) | recreation | https://maps.google.com/?q=TellerCounty+CO |
| | Summit County | CO | 08117 | | Breckenridge, CO 14720 | | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=SummitCounty+CO |
| | Sedgwick County | CO | 08115 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=SedgwickCounty+CO |
| | San Miguel County | CO | 08113 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=SanMiguelCounty+CO |
| | San Juan County | CO | 08111 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=SanJuanCounty+CO |
| | Saguache County | CO | 08109 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=SaguacheCounty+CO |
| | Routt County | CO | 08107 | | Steamboat Springs, CO 44460 | | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=RouttCounty+Colorado |