| | Prowers County | CO | 08099 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=ProwersCounty+CO |
| | Pueblo County | CO | 08101 | | Pueblo, CO 39380 | Pueblo-Cañon City, CO 444 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=PuebloCounty+CO |
| | Rio Blanco County | CO | 08103 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=RioBlancoCounty+CO |
| | Rio Grande County | CO | 08105 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=RioGrandeCounty+CO |
| | Routt County | CO | 08107 | | Steamboat Springs, CO 44460 | | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=RouttCounty+Colorado |
| | Saguache County | CO | 08109 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=SaguacheCounty+CO |
| | San Juan County | CO | 08111 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=SanJuanCounty+CO |
| | San Miguel County | CO | 08113 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=SanMiguelCounty+CO |
| | Sedgwick County | CO | 08115 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=SedgwickCounty+CO |
| | Summit County | CO | 08117 | | Breckenridge, CO 14720 | | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=SummitCounty+CO |