- Cascade Shores
- Casey Corner
- Cedar Crest
- Cedar Ridge
- Cherokee
- Cherry Creek Acres
- Coleman
- Crystal Lake
- Carlton
- Clair
- Collins Island
- Colonia Juarez
- Colonia Manzanilla
- Coney Island
- Cape Horn
- Carnelian Heights
- Casa Loma
- Chamberlands Estates
- Chambers Lodge
- Cisco
- Cisco Grove
- Clayton
- Clipper Gap
- Comstock Acres
- C-Road
- Caribou
- Cascade
- Cedar Mill
- Chilcoot-Vinton
- Cahuilla