| Colby, WI (City) |
| Colby, KS (City) |
| Colby Town, WI (Town) |
| Colchester, CT (Town) |
| Colchester, VT (Town) |
| Colchester, IL (City) |
| Colchester, NY (Town) |
| Colchester Township, IL (Township) |
| Colcord, OK (Town) |
| Cold Bay, AK (City) |
| Cold Brook, NY (Village) |
| Cold Spring, NY (Village) |
| Cold Spring, MN (City) |
| Cold Spring, KY (City) |
| Cold Spring Town, WI (Town) |
