| Code | Name | Region |
|---|---|---|
| AUSUM | Summertown | SA |
| AUSNP | Sumner Park | QLD |
| AUVSB | Sunbury | VIC |
| AUUKY | Sunnybank | QLD |
| AU6VC | Sunshine | VIC |
| AUSSE | Sunshine/melbourne | VIC |
| AUSFP | Surfers Paradise | QLD |
| AUSHS | Surrey Hills | VIC |
| AUSUH | Surry Hills | NSW |
| AUTLD | Sutherland | NSW |
| AUSTA | Stanley | TAS |
| AUTNM | Stanmore | NSW |
| AUSNH | Stanthorpe | QLD |
| AUT9W | Stanwell Park | NSW |
| AUSPY | Stapylton | QLD |
| AUSQP | Starcke | QLD |
| AUSWC | Stawell | VIC |
| AUSLK | Steels Creek | VIC |
| AUSTF | Stephen Island | QLD |
| AUSNY | Stepney | SA |
| AULNG | Stirling | SA |
| AUSBI | Stockinbingal | NSW |
| AUKWL | Stockwell | SA |
| AUSRR | Stradbroke Island | QLD |
| AUSRN | Strahan | TAS |
| AUST9 | Strathalbyn | SA |
| AUTHB | Strathbogie | VIC |
| AU4VC | Strathewen | VIC |
| AUSFI | Strathfield | NSW |
| AUTFA | Strathfieldsaye | VIC |
| AUSWK | Southwest Rocks | NSW |
| AUSPE | Spearwood | WA |
| AUSPW | Spotswood | VIC |
| AUSPO | Spreyton | TAS |
| AUSPB | Spring Bay | TAS |
| AUSCG | Spring Creek | QLD |
| AUSHI | Spring Hill | NSW |
| AUSSM | Springmount | VIC |
| AUSPG | Springton | SA |
| AUKSV | Springvale | QLD |
| AUSGV | Springvale | VIC |
| AUZVG | Springvale | WA |
| AU2VC | Springvale South | VIC |
| AUNSW | Springwood | NSW |
| AUSWD | Springwood | QLD |
| AUIVE | St Ives | NSW |
| AUSFF | Stafford | QLD |
| AUSTG | Stag Platform | WA |
| AUTHP | Stanhope | VIC |
| AUSHG | Stanhope Gardens | NSW |