| Code | Name | Region |
|---|---|---|
| CACMT | Clairmont | AB |
| CACLP | Clam Point | NS |
| CACYE | Clandeboye | MB |
| CAHAS | Chase | BC |
| CACGY | Chateauguay | QC |
| CARRE | Chateau-richer | QC |
| CACHN | Chatham | NB |
| CACTM | Chatham | ON |
| CACTW | Chatsworth | ON |
| CACHW | Chatsworth | ON |
| CACUN | Chebogue Point | NS |
| CAOH2 | Chelmsford | ON |
| CACSA | Chelsea | QC |
| CACHM | Chemainus | BC |
| CACPW | Chepstow | ON |
| CACHE | Cherryville | BC |
| CACTY | Chertsey | QC |
| CACEY | Chesley | ON |
| CACST | Chester | NS |
| CAYCS | Chesterfield Inlet | NU |
| CACTR | Chestermere | AB |
| CACVL | Chesterville | ON |
| CACVE | Chesterville | QC |
| CACBL | Chamberlains | NL |
| CACHY | Chambly | QC |
| CACMB | Chambord | QC |
| CACPL | Champlain | QC |
| CACHR | Chandler | QC |
| CACIL | Change Islands | NL |
| CAPBQ | Channel-port Aux Basques | NL |
| CACPH | Chapais | QC |
| CACP5 | Chapel Arm | NL |
| CAYLD | Chapleau | ON |
| CAHPN | Chaplin | SK |
| CACTE | Charette | QC |
| CACGS | Charing Cross | ON |
| CACHG | Charlesbourg | QC |
| CACKE | Charlie Lake | BC |
| CAYCL | Charlo | NB |
| CASKI | Charlotte (skidegate) | BC |
| CACHA | Charlottetown | PE |
| CACRY | Charny | QC |
| CACTL | Chartierville | QC |
| CAYCG | Castlegar | BC |
| CACTT | Castleton | ON |
| CACSR | Castor | AB |
| CAYAC | Cat Lake | ON |
| CACAT | Catalina | NL |
| CAAAU | Causapscal | QC |
| CAC8V | Cavan | ON |