- Cavetown
- Callows Island
- Cedar Island
- Cardwell
- Carter
- Chinook
- Columbia Falls
- Conrad
- Coram
- Corvallis
- Culbertson
- Cascade
- Chester
- Clinton
- Columbus
- Custer
- Circle Trailer Court
- Campbell Place
- Cliff Lake
- Cowboys Heaven
- Castle Town
- Checkerboard
- Cabin City
- Cyr
- Carlton
- Carols Court
- Circle 'J' Mobile Park
- Clearwater
- Coloma
- Copper Cliff