| Location | States or Territories | Abbreviation | Postcode |
|---|---|---|---|
| Chewton Bushlands | Victoria | VIC | 3451 |
| Childers | Victoria | VIC | 3824 |
| Chillingollah | Victoria | VIC | 3585 |
| Chiltern | Victoria | VIC | 3683 |
| Chiltern Valley | Victoria | VIC | 3683 |
| Chinangin | Victoria | VIC | 3544 |
| Chinkapook | Victoria | VIC | 3546 |
| Chintin | Victoria | VIC | 3756 |
| Chirnside Park | Victoria | VIC | 3116 |
| Chirrip | Victoria | VIC | 3525 |
| Chocolyn | Victoria | VIC | 3260 |
| Christmas Hills | Victoria | VIC | 3775 |
| Chum Creek | Victoria | VIC | 3777 |
| Churchill | Victoria | VIC | 3842 |
| Churchill Island | Victoria | VIC | 3925 |
| Chute | Victoria | VIC | 3373 |
| Clarendon | Victoria | VIC | 3352 |
| Claretown | Victoria | VIC | 3352 |
| Clarinda | Victoria | VIC | 3169 |
| Clarkefield | Victoria | VIC | 3430 |
