Towns
| State | City/Town | Town Title |
|---|---|---|
| Colorado | Clifton | Clifton, CO |
| Colorado | Climax | Climax, CO |
| Colorado | Coal Creek | Coal Creek, CO |
| Colorado | Coaldale | Coaldale, CO |
| Colorado | Coalmont | Coalmont, CO |
| Colorado | Collbran | Collbran, CO |
| Colorado | Colorado Springs | Colorado Springs, CO |
| Colorado | Commerce City | Commerce City, CO |
| Colorado | Como | Como, CO |
| Colorado | Conejos | Conejos, CO |
| Colorado | Conifer | Conifer, CO |
| Colorado | Cope | Cope, CO |
| Colorado | Copper Mountain | Copper Mountain, CO |
| Colorado | Cortez | Cortez, CO |
| Colorado | Cory | Cory, CO |
| Colorado | Cotopaxi | Cotopaxi, CO |
| Colorado | Cowdrey | Cowdrey, CO |
| Colorado | Cpu Louis Guzzo Ent | Cpu Louis Guzzo Ent, CO |
| Colorado | Cpu Town Of Hillside Llc | Cpu Town Of Hillside Llc, CO |
| Colorado | Craig | Craig, CO |
| Colorado | Crawford | Crawford, CO |
| Colorado | Creede | Creede, CO |
| Colorado | Crested Butte | Crested Butte, CO |
| Colorado | Crestone | Crestone, CO |
| Colorado | Cripple Creek | Cripple Creek, CO |