Towns
| State | City/Town | Town Title |
|---|---|---|
| California | Castroville | Castroville, CA |
| California | Cathedral | Cathedral, CA |
| California | Cathedral City | Cathedral City, CA |
| California | Catheys Valley | Catheys Valley, CA |
| California | Cayucos | Cayucos, CA |
| California | Cazadero | Cazadero, CA |
| California | Cedar Glen | Cedar Glen, CA |
| California | Cedar Ridge | Cedar Ridge, CA |
| California | Cedarpines Park | Cedarpines Park, CA |
| California | Cedarville | Cedarville, CA |
| California | Century City | Century City, CA |
| California | Ceres | Ceres, CA |
| California | Cerritos | Cerritos, CA |
| California | Challenge | Challenge, CA |
| California | Charter Oak | Charter Oak, CA |
| California | Chatsworth | Chatsworth, CA |
| California | Chester | Chester, CA |
| California | Chicago Park | Chicago Park, CA |
| California | Chico | Chico, CA |
| California | Chilcoot | Chilcoot, CA |
| California | Chinese Camp | Chinese Camp, CA |
| California | Chino | Chino, CA |
| California | Chino Hills | Chino Hills, CA |
| California | Chowchilla | Chowchilla, CA |
| California | Chualar | Chualar, CA |