| Location | States or Territories | Abbreviation | Postcode |
|---|---|---|---|
| Clarkes Hill | Victoria | VIC | 3352 |
| Clayton | Victoria | VIC | 3168 |
| Clayton South | Victoria | VIC | 3169 |
| Clear Lake | Victoria | VIC | 3409 |
| Clematis | Victoria | VIC | 3782 |
| Clifton Creek | Victoria | VIC | 3875 |
| Clifton Hill | Victoria | VIC | 3068 |
| Clifton Springs | Victoria | VIC | 3222 |
| Clonbinane | Victoria | VIC | 3658 |
| Clover Flat | Victoria | VIC | 3315 |
| Cloverlea | Victoria | VIC | 3822 |
| Club Terrace | Victoria | VIC | 3889 |
| Clunes | Victoria | VIC | 3370 |
| Clyde | Victoria | VIC | 3978 |
| Clyde North | Victoria | VIC | 3978 |
| Clydebank | Victoria | VIC | 3851 |
| Clydesdale | Victoria | VIC | 3461 |
| Coalville | Victoria | VIC | 3825 |
| Cobains | Victoria | VIC | 3851 |
| Cobaw | Victoria | VIC | 3442 |
