| Code | Name | Region |
|---|---|---|
| AUYRV | Yarraville/melbourne | VIC |
| AU2SN | Yarrawarrah | NSW |
| AUYWO | Yarrawonga | NSW |
| AUYAW | Yarwun | QLD |
| AUYSS | Yass | NSW |
| AUYTL | Yatala | QLD |
| AUYEA | Yea | VIC |
| AUKYF | Yeelirrie | WA |
| AUYEE | Yeerongpilly | QLD |
| AUYEB | Yellingbo | VIC |
| AUWUR | Wurruk | VIC |
| AUWKM | Wyalkatchem | WA |
| AUWYL | Wyalong | NSW |
| AUWBG | Wybong | NSW |
| AUWYE | Wyee | NSW |
| AUWYD | Wyndham | NSW |
| AUWYN | Wyndham | WA |
| AUWWS | Wynnum West | QLD |
| AUWNY | Wynyard | TAS |
| AUWYO | Wyong | NSW |
| AUYBU | Yabulu | QLD |
| AUYAN | Yagoona | NSW |
| AUKYI | Yalata Mission | SA |
| AUYLG | Yalgoo | WA |
| AUYGU | Yallingup | WA |
| AUXMY | Yam Island | QLD |
| AUYBA | Yamba | NSW |
| AUYMB | Yambuk | VIC |
| AUYAM | Yampi | WA |
| AU5TO | Yan Yean | VIC |
| AUWDR | Woodridge | QLD |
| AUWDE | Woodridge | WA |
| AUWIE | Woodside | SA |
| AUWOV | Woodvale | WA |
| AUWDV | Woodville | SA |
| AUUUK | Woody Point | QLD |
| AUGOW | Woolgoolga | NSW |
| AUWHR | Woollahra | NSW |
| AUWOO | Woolloomooloo | NSW |
| AUWGB | Woolloongabba | QLD |
| AUWBT | Woollybutt (oil Facility) | WA |
| AU2UA | Woolooware | NSW |
| AUW2V | Woolwich | NSW |
| AUUMR | Woomera | SA |
| AUWRE | Woree | QLD |
| AU8SS | Woronora | NSW |
| AUWOY | Woy Woy | NSW |
| AUWPK | Wrotham Park | QLD |
| AUWUD | Wudinna | SA |
| AUWUK | Wulkuraka | QLD |