| Name of place | Number of counties | Principal county | Lower zip code | Upper zip code |
| Calista | 2 | Bethel Census Area | | |
| Calista | 2 | Kusilvak Census Area | | |
| Campbell | 1 | Municipality of Anchorage | 99503 | |
| Campbell | 1 | Prince of Wales-Outer Census Area | 99901 | |
| Campion Station | 1 | Yukon-Koyukuk Census Area | 99741 | |
| Candle | 1 | Northwest Arctic Borough | 99752 | |
| Cannery | 1 | Skagway-Hoonah-Angoon Census Area | | |
| Cantwell | 1 | Denali Borough | 99729 | |
| Canyon | 1 | Matanuska-Susitna Borough | | |
| Canyon Village | 1 | Yukon-Koyukuk Census Area | | |
| Cape Krusenstern National Monument | 1 | Northwest Arctic Borough | | |
| Cape Lisburne | 1 | North Slope Borough | 99766 | |
| Cape Newenham | 1 | Bethel Census Area | 99651 | |
| Cape Nome | 1 | Nome Census Area | | |
| Cape Pole | 1 | Prince of Wales-Outer Census Area | 99901 | |
| Cape Romanzof | 1 | Kusilvak Census Area | 99604 | |
| Cape Sarichef Radio Relay Site | 1 | Aleutians East Borough | 99685 | |
| Cape Yakataga | 1 | Valdez-Cordova Census Area | 99574 | |
| Cape York | 1 | Nome Census Area | | |
| Carlanna | 1 | Ketchikan Gateway Borough | 99901 | |
| Carlo | 1 | Yukon-Koyukuk Census Area | | |
| Caro | 1 | Yukon-Koyukuk Census Area | | |
| Casco Cove Coast Guard Station | 1 | Aleutians West Census Area | | |
| Caswell | 1 | Matanuska-Susitna Borough | | |
| Central | 1 | Yukon-Koyukuk Census Area | 99730 | |
| Chakaktolik | 1 | Kusilvak Census Area | | |
| Chalkyitsik | 1 | Yukon-Koyukuk Census Area | 99788 | |
| Chandalar | 1 | Yukon-Koyukuk Census Area | | |
| Chaniliut | 1 | Kusilvak Census Area | | |
| Charcoal Point | 1 | Ketchikan Gateway Borough | 99901 | |
| Chariot | 1 | North Slope Borough | | |
| Charlieskin Village | 1 | Southeast Fairbanks Census Area | | |
| Chase | 1 | Matanuska-Susitna Borough | 99676 | |
| Chatanika | 1 | Fairbanks North Star Borough | 99701 | |
| Chatham | 1 | City and Borough of Sitka | 99801 | |
| Chatham Regional Educational Attendance Area | 2 | Skagway-Hoonah-Angoon Census Area | | |
| Chatham Regional Educational Attendance Area | 2 | Wrangell-Petersburg Census Area | | |
| Chefornak | 1 | Bethel Census Area | 99561 | |
| Chelatna Lodge | 1 | Matanuska-Susitna Borough | | |
| Chena | 1 | Fairbanks North Star Borough | | |
| Chena Hot Springs | 1 | Fairbanks North Star Borough | 99701 | |
| Chena Ridge | 1 | Fairbanks North Star Borough | | |
| Chenega | 1 | Valdez-Cordova Census Area | | |
| Chenega Bay | 1 | Valdez-Cordova Census Area | | |
| Chenik | 1 | Kenai Peninsula Borough | | |
| Chernofski | 1 | Aleutians West Census Area | 99685 | |
| Chevak | 1 | Kusilvak Census Area | 99563 | |
| Chicagof Creek | 1 | Northwest Arctic Borough | | |
| Chichagof | 1 | City and Borough of Sitka | | |
| Chickaloon | 1 | Matanuska-Susitna Borough | 99674 | |
| Chickaloon | 1 | Matanuska-Susitna Borough | | |
| Chicken | 1 | Southeast Fairbanks Census Area | 99732 | |
| Chignik | 1 | Lake and Peninsula Borough | 99564 | |
| Chignik Lagoon | 1 | Lake and Peninsula Borough | 99565 | |
| Chignik Lake | 1 | Lake and Peninsula Borough | 99548 | |
| Chignik Lake | 1 | Lake and Peninsula Borough | 99564 | |
| Chilkat | 1 | Skagway-Hoonah-Angoon Census Area | 99827 | |
| Chilkoot | 1 | Haines Borough | | |
| Chiniak | 1 | Kodiak Island Borough | 99615 | |
| Chisana | 1 | Valdez-Cordova Census Area | 99566 | |
| Chistochina | 1 | Valdez-Cordova Census Area | 99586 | |
| Chitina | 1 | Valdez-Cordova Census Area | 99566 | |
| Christian | 1 | Yukon-Koyukuk Census Area | | |
| Chuathbaluk | 1 | Bethel Census Area | 99557 | |
| Chugach | 2 | Kenai Peninsula Borough | | |
| Chugach | 2 | Valdez-Cordova Census Area | | |
| Chugach | 1 | Valdez-Cordova Census Area | | |
| Chugach Regional Educational Attendance Area | 1 | Valdez-Cordova Census Area | | |
| Chugiak | 1 | Municipality of Anchorage | 99567 | |
| Chulitna | 1 | Matanuska-Susitna Borough | | |
| Chuloonawick | 1 | Kusilvak Census Area | | |
| Circle | 1 | Yukon-Koyukuk Census Area | 99733 | |
| Circle Hot Springs | 1 | Yukon-Koyukuk Census Area | 99730 | |
| Circle Hot Springs Station | 1 | Yukon-Koyukuk Census Area | | |
| Clam Gulch | 1 | Kenai Peninsula Borough | 99568 | |
| Clarks Point | 1 | Dillingham Census Area | 99569 | |
| Clark's Point | 1 | Dillingham Census Area | 99569 | |
| Clear | 1 | Yukon-Koyukuk Census Area | 99704 | |
| Clear Creek Park | 1 | Fairbanks North Star Borough | | |
| Clear Missile Early Warning Station | 1 | Yukon-Koyukuk Census Area | 99704 | |
| Clear Site | 1 | Yukon-Koyukuk Census Area | | |
| Cleary Summit | 1 | Fairbanks North Star Borough | | |
| Clifton | 1 | Municipality of Skagway Borough | | |
| Clover Pass | 1 | Ketchikan Gateway Borough | 99901 | |
| Coal Creek | 1 | Yukon-Koyukuk Census Area | | |
| Coffman Cove | 1 | Prince of Wales-Outer Census Area | 99918 | |
| Cohoe | 1 | Kenai Peninsula Borough | 99669 | |
| Cold Bay | 1 | Aleutians East Borough | 99571 | |
| Cold Bay Airport | 1 | Aleutians East Borough | 99571 | |
| Coldfoot | 1 | Yukon-Koyukuk Census Area | | |
| College | 1 | Fairbanks North Star Borough | 99708 | |
| Colorado | 1 | Matanuska-Susitna Borough | | |
| Colville River | 1 | North Slope Borough | 99723 | |
| Cook Inlet | 4 | Municipality of Anchorage | | |
| Cook Inlet | 4 | Dillingham Census Area | | |
| Cook Inlet | 4 | Kenai Peninsula Borough | | |
| Cook Inlet | 4 | Matanuska-Susitna Borough | | |
| Cooper Landing | 1 | Kenai Peninsula Borough | 99572 | |
| Copper Center | 1 | Valdez-Cordova Census Area | 99573 | |
| Copper River | 1 | Valdez-Cordova Census Area | | |
| Copper River Regional Educational Attendance Area | 2 | Southeast Fairbanks Census Area | | |
| Copper River Regional Educational Attendance Area | 2 | Valdez-Cordova Census Area | | |
| Copperville | 1 | Valdez-Cordova Census Area | | |
| Cordova | 1 | Valdez-Cordova Census Area | 99574 | |
| Cordova | 1 | Valdez-Cordova Census Area | | |
| Cordova City School District | 1 | Valdez-Cordova Census Area | | |
| Cordova-Mile 13 Airport | 1 | Valdez-Cordova Census Area | 99574 | |
| Cottonwood | 1 | Matanuska-Susitna Borough | 99687 | |
| Council | 1 | Nome Census Area | | |
| Covenant Life | 1 | Haines Borough | | |
| Crab Bay | 1 | Valdez-Cordova Census Area | | |
| Craig | 1 | Prince of Wales-Outer Census Area | 99921 | |
| Craig City School District | 1 | Prince of Wales-Outer Census Area | | |
| Crooked Creek | 1 | Bethel Census Area | 99575 | |
| Crown Point | 1 | Kenai Peninsula Borough | | |
| Crystal Falls | 1 | Valdez-Cordova Census Area | | |
| Cube Cove | 1 | Skagway-Hoonah-Angoon Census Area | | |
| Curry | 1 | Matanuska-Susitna Borough | 99675 | |