| Code | Name | Region |
|---|---|---|
| AUNSO | Scone | NSW |
| AUSCY | Scoresby | VIC |
| AUSRV | Scott River East | WA |
| AUSCO | Scottsdale | TAS |
| AUCLI | Seacliff | SA |
| AU32S | Seaford | SA |
| AUFOR | Seaford | VIC |
| AURHL | Roy Hill | WA |
| AURPA | Royal Park | SA |
| AUROZ | Rozelle | NSW |
| AURFD | Rutherford | NSW |
| AURTG | Rutherglen | VIC |
| AURTP | Rutland Plains | QLD |
| AURYM | Rydalmere | NSW |
| AURYE | Ryde | NSW |
| AU3CI | Rythdale | VIC |
| AUC6K | Sackville | NSW |
| AUSAW | Saddleworth | SA |
| AUSBR | Saibai Island | QLD |
| AUSGO | Saint George | QLD |
| AUHLS | Saint Helens | TAS |
| AUSTL | Saint Leonards | NSW |
| AUSLS | Saint Leonards | TAS |
| AUSTM | Saint Marys | NSW |
| AUSVM | Saint Paul's Mission | QLD |
| AUSTP | Saint Peters | NSW |
| AUSMT | Saladin Marine Terminal | WA |
| AURPB | Roper Bar | NT |
| AURPV | Roper Valley | NT |
| AURON | Rosanna | VIC |
| AUREY | Rose Bay | NSW |
| AUROS | Rose Hill | NSW |
| AUPAK | Rose Park | SA |
| AURSB | Roseberth | QLD |
| AURBY | Rosebery/sydney | NSW |
| AUROW | Rosebud West | VIC |
| AUR4S | Rosehill | NSW |
| AUSNS | Roselands | NSW |
| AURLP | Rosella Plains | QLD |
| AURVE | Roseville | NSW |
| AURNB | Rosslyn Bay | QLD |
| AUROT | Rothbury | NSW |
| AURTS | Rottnest Island | WA |
| AURZL | Rouse Hill | NSW |
| AURWL | Rowella | TAS |
| AURFL | Rowland Flat | SA |
| AURWE | Rowville | VIC |
| AURRV | Robinson River | NT |
| AURBC | Robinvale | VIC |
| AURCT | Rochester | VIC |