| Location | States or Territories | Abbreviation | Postcode |
|---|---|---|---|
| Chasm Creek | Tasmania | TAS | 7321 |
| Chigwell | Tasmania | TAS | 7011 |
| Christmas Hills | Tasmania | TAS | 7330 |
| Chudleigh | Tasmania | TAS | 7304 |
| Claremont | Tasmania | TAS | 7011 |
| Clarence Point | Tasmania | TAS | 7270 |
| Clarendon Vale | Tasmania | TAS | 7019 |
| Claude Road | Tasmania | TAS | 7306 |
| Cleveland | Tasmania | TAS | 7211 |
| Clifton Beach | Tasmania | TAS | 7020 |
| Cluan | Tasmania | TAS | 7303 |
| Colebrook | Tasmania | TAS | 7027 |
| Coles Bay | Tasmania | TAS | 7215 |
| Collinsvale | Tasmania | TAS | 7012 |
| Conara | Tasmania | TAS | 7211 |
| Coningham | Tasmania | TAS | 7054 |
| Connellys Marsh | Tasmania | TAS | 7173 |
| Cooee | Tasmania | TAS | 7320 |
| Copping | Tasmania | TAS | 7174 |
| Corinna | Tasmania | TAS | 7321 |
