| Location | States or Territories | Abbreviation | Postcode |
|---|---|---|---|
| Yorke Valley | South Australia | SA | 5573 |
| Yorketown | South Australia | SA | 5576 |
| Younghusband | South Australia | SA | 5238 |
| Younghusband Holdings | South Australia | SA | 5238 |
| Yumali | South Australia | SA | 5261 |
| Yundi | South Australia | SA | 5172 |
| Yunta | South Australia | SA | 5440 |
| Yunyarinyi | South Australia | SA | 0872 |
