- Caldwell
- Caledonia
- Caledonia Park
- Calico Corner
- California
- California
- California Furnace
- Californian
- Calkins
- Callapoose
- Calmensin
- Caln
- Caln Meeting House
- Calumet
- Calumet-Norvelt
- Calver Island
- Calvert
- Calvert Hills
- Calvin
- Calypso Island
- Camargo
- Cambra
- Cambria City
- Cambridge
- Cambridge Knoll
- Cambridge Reserve
- Camden
- Camelot Forest
- Cameron
- Cameron