C
- (Bethel Census Area) Chuathbaluk
- (Copper River Census Area) Chitina
- (Kenai Peninsula Borough) Clam Gulch
- (Prince of Wales-Hyder Census Area) Coffman Cove
- (Copper River Census Area) Copperville
- (Denali Borough) Cantwell
- (Matanuska-Susitna Borough) Chickaloon
- (Kenai Peninsula Borough) Cooper Landing
- (Copper River Census Area) Copper Center
- (Bethel Census Area) Chefornak
- (Kusilvak Census Area) Chevak
- (Prince of Wales-Hyder Census Area) Craig
- (Kenai Peninsula Borough) Cohoe
- (Greene County) Cordova
- (Fairbanks North Star Borough) College