| Location | States or Territories | Abbreviation | Postcode |
|---|---|---|---|
| Wandown | Victoria | VIC | 3549 |
| Wangandary | Victoria | VIC | 3678 |
| Wangarabell | Victoria | VIC | 3891 |
| Wangaratta, PO Boxes | Victoria | VIC | 3676 |
| Wangaratta | Victoria | VIC | 3677 |
| Wangaratta South | Victoria | VIC | 3678 |
| Wangie | Victoria | VIC | 3530 |
| Wangoom | Victoria | VIC | 3279 |
| Wannon | Victoria | VIC | 3301 |
| Wantirna | Victoria | VIC | 3152 |
| Wantirna South | Victoria | VIC | 3152 |
| Waranga | Victoria | VIC | 3616 |
| Waranga Shores | Victoria | VIC | 3612 |
| Waratah Bay | Victoria | VIC | 3959 |
| Warburton | Victoria | VIC | 3799 |
| Wareek | Victoria | VIC | 3465 |
| Wargan | Victoria | VIC | 3505 |
| Warmur | Victoria | VIC | 3482 |
| Warncoort | Victoria | VIC | 3243 |
| Warne | Victoria | VIC | 3530 |
