| Location | States or Territories | Abbreviation | Postcode |
|---|---|---|---|
| Cape Paterson | Victoria | VIC | 3995 |
| Cape Schanck | Victoria | VIC | 3939 |
| Cape Woolamai | Victoria | VIC | 3925 |
| Capel Sound | Victoria | VIC | 3940 |
| Capels Crossing | Victoria | VIC | 3579 |
| Carag Carag | Victoria | VIC | 3623 |
| Caralulup | Victoria | VIC | 3371 |
| Caramut | Victoria | VIC | 3274 |
| Carapooee | Victoria | VIC | 3477 |
| Carapooee West | Victoria | VIC | 3477 |
| Carapook | Victoria | VIC | 3312 |
| Carboor | Victoria | VIC | 3678 |
| Cardigan | Victoria | VIC | 3352 |
| Cardigan Village | Victoria | VIC | 3352 |
| Cardinia | Victoria | VIC | 3978 |
| Cardross | Victoria | VIC | 3496 |
| Cargerie | Victoria | VIC | 3334 |
| Carina | Victoria | VIC | 3512 |
| Caringal | Victoria | VIC | 3825 |
| Carisbrook | Victoria | VIC | 3464 |
