- Calvert Hills
- Canan
- Canoe Creek
- Carlim
- Charlottsville
- Clappertown
- Clover Creek
- Coburn
- Cotton Town
- Covedale
- Cross Keys
- Culp
- Campbelltown
- Canadohta Lake
- Canonsburg
- Carbondale
- Carmichaels
- Carnegie
- Carroll Valley
- Carrolltown
- Cassandra
- Casselman
- Castanea
- Castle Shannon
- Catasauqua
- Catawissa
- Central City
- Centre Hill
- Chalfant
- Chalfont