| Location | States or Territories | Abbreviation | Postcode |
|---|---|---|---|
| Sturt Creek | Western Australia | WA | 6770 |
| Subiaco | Western Australia | WA | 6008 |
| Subiaco East | Western Australia | WA | 6008 |
| Subiaco Po | Western Australia | WA | 6904 |
| Success | Western Australia | WA | 6164 |
| Success, PO Boxes | Western Australia | WA | 6964 |
| Sunnyside | Western Australia | WA | 6256 |
| Sunset Beach | Western Australia | WA | 6530 |
| Swan View | Western Australia | WA | 6056 |
| Swanbourne | Western Australia | WA | 6010 |
