- Columbia Heights
- Clint
- Cloverleaf
- Clute
- Cockrell Hill
- Coffee City
- Cypress Mill
- Coldspring
- College Station
- Colleyville
- Colmesneil
- Comanche
- Combes
- Combine
- Comfort
- Cayote
- Cedar Shores
- Crossroad Store
- Conroe
- Converse
- Cool
- Carbondale
- College Hill
- Corley
- Coppell
- Copper Canyon
- Copperas Cove
- Corpus Christi
- Corral City
- Corrigan