| Location | States or Territories | Abbreviation | Postcode |
|---|---|---|---|
| Coojar | Victoria | VIC | 3315 |
| Coolaroo | Victoria | VIC | 3048 |
| Cooma | Victoria | VIC | 3616 |
| Coomboona | Victoria | VIC | 3629 |
| Coomoora | Victoria | VIC | 3461 |
| Coongulla | Victoria | VIC | 3860 |
| Coonooer Bridge | Victoria | VIC | 3477 |
| Coonooer West | Victoria | VIC | 3477 |
| Coopers Creek | Victoria | VIC | 3825 |
| Cooriemungle | Victoria | VIC | 3268 |
| Cope Cope | Victoria | VIC | 3480 |
| Cora Lynn | Victoria | VIC | 3814 |
| Corack | Victoria | VIC | 3480 |
| Corack East | Victoria | VIC | 3480 |
| Coragulac | Victoria | VIC | 3249 |
| Coral Bank | Victoria | VIC | 3691 |
| Corindhap | Victoria | VIC | 3352 |
| Corinella | Victoria | VIC | 3984 |
| Corio | Victoria | VIC | 3214 |
| Corndale | Victoria | VIC | 3311 |
