| Location | States or Territories | Abbreviation | Postcode |
|---|---|---|---|
| Sutherlands Creek | Victoria | VIC | 3331 |
| Sutton | Victoria | VIC | 3530 |
| Sutton Grange | Victoria | VIC | 3448 |
| Swan Bay | Victoria | VIC | 3225 |
| Swan Hill | Victoria | VIC | 3585 |
| Swan Hill West | Victoria | VIC | 3585 |
| Swan Island | Victoria | VIC | 3225 |
| Swan Marsh | Victoria | VIC | 3249 |
| Swan Reach | Victoria | VIC | 3903 |
| Swanpool | Victoria | VIC | 3673 |
| Swanwater | Victoria | VIC | 3477 |
| Swanwater West | Victoria | VIC | 3480 |
| Swifts Creek | Victoria | VIC | 3896 |
| Sydenham | Victoria | VIC | 3037 |
| Sylvaterre | Victoria | VIC | 3575 |
| Syndal | Victoria | VIC | 3149 |
