| Location | States or Territories | Abbreviation | Postcode |
|---|---|---|---|
| Hannans Po, PO Boxes 8001–8360 | Western Australia | WA | 6433 |
| Kalgoorlie Delivery Centre, PO Boxes 1–1671 & 4000–5550 | Western Australia | WA | 6433 |
| Kalgoorlie Po, PO Boxes 10001–11320 | Western Australia | WA | 6433 |
