- Cactus
- Caddo Mills
- Callisburg
- Calvert
- Camp Swift
- Camp Wood
- Canadian
- Caney City
- Cantu Addition
- Canutillo
- Canyon
- Carls Corner
- Carmine
- Carrizo Hill
- Carrizo Springs
- Carrollton
- Cashion Community
- Castle Hills
- Cedar Hill
- Cedar Park
- Celeste
- Central Gardens
- Cesar Chavez
- Channelview
- Channing
- Childress
- Chireno
- Christoval
- Cibolo
- Cienegas Terrace