| Code | Name | Region |
|---|---|---|
| AUWGV | Willow Grove | VIC |
| AUWWV | Willow Vale | NSW |
| AUWVA | Willowdale | NSW |
| AUWSA | Willunga | SA |
| AUWAW | Wilson | WA |
| AUWLT | Wilsonton | QLD |
| AUTON | Wilton | NSW |
| AUWJU | Wiltshire Junction | TAS |
| AUWUN | Wiluna | WA |
| AUWU6 | Wilyarup | WA |
| AUWWY | West Wyalong | NSW |
| AUSWP | Westbourne Park | SA |
| AUWES | Westbury | TAS |
| AUWSJ | Western Junction | TAS |
| AUWEP | Westernport | VIC |
| AUWSE | Westminster | WA |
| AUWEC | Weston Creek | ACT |
| AUWEH | Wetherhill | NSW |
| AUWPA | Wetherill Park | NSW |
| AUWVV | Wheelers Hill | VIC |
| AUWMO | Whitemore | TAS |
| AUWFL | Whitfield | VIC |
| AUWSI | Whitsunday Island | QLD |
| AUWHT | Whittlesea | VIC |
| AUWTO | Whitton | NSW |
| AUWSH | Whorouly South | VIC |
| AUWYA | Whyalla | SA |
| AUWAM | Wickham | NSW |
| AUWKA | Wickham | NT |
| AUWIO | Wilcannia | NSW |
| AUWEI | Weipa | QLD |
| AUKJH | Welland | SA |
| AUQEL | Wellington | NSW |
| AUWHL | Welshpool | VIC |
| AUWEL | Welshpool | WA |
| AUWEN | Wendouree | VIC |
| AUWWP | Wentworth Point | NSW |
| AUWTV | Wentworthville | NSW |
| AUWRB | Werribee | VIC |
| AU5RC | Werribee South | VIC |
| AUWCK | Werris Creek | NSW |
| AUWVL | Wesley Vale | TAS |
| AUWFO | West Footscray | VIC |
| AU6DF | West Hoxton | NSW |
| AUWQS | West Lake Shore | SA |
| AUWKS | West Lakes | SA |
| AUWMU | West Melbourne | VIC |
| AUWPW | West Perth | WA |
| AUNS8 | West Pymble | NSW |
| AURYD | West Ryde | NSW |