| Code | Name | Region |
|---|---|---|
| AUTOT | Tottenham | NSW |
| AUTHM | Tottenham | VIC |
| AUTOB | Towford Bay | |
| AUTSV | Townsville | QLD |
| AUTGN | Traralgon | VIC |
| AUTMO | Tremont | VIC |
| AUTRH | Trentham | VIC |
| AUTTW | Trentham Cliffs | NSW |
| AUKUK | Triabunna | TAS |
| AUTRB | Trial Bay | NSW |
| AUTRI | Troughton Island | WA |
| AUTRU | Truganina | VIC |
| AURRO | Truro | SA |
| AUTUV | Tuerong | VIC |
| AUTUG | Tuggerah | NSW |
| AUTGG | Tuggeranong | ACT |
| AUTME | Tullamarine | VIC |
| AUTPR | Tom Price | WA |
| AUTOM | Tomago | NSW |
| AUTGY | Tomingley | NSW |
| AUTOJ | Tongala | VIC |
| AUTNK | Tonimbuk | VIC |
| AUTBR | Tooborac | VIC |
| AUTDA | Toodyay | WA |
| AUTOO | Toolamba | VIC |
| AULLN | Toolleen | VIC |
| AUTOL | Toombul | QLD |
| AUR2A | Toongabbie | NSW |
| AUTRD | Tooradin | VIC |
| AUTGD | Toorak Gardens | SA |
| AUTOG | Tooronga | VIC |
| AUTWQ | Toowong | QLD |
| AUTWB | Toowoomba | QLD |
| AUTBC | Toowoomba City | QLD |
| AUTOR | Toronto | NSW |
| AUTQY | Torquay | QLD |
| AUTRQ | Torquay | VIC |
| AUTLA | Thornlands | QLD |
| AUTHR | Thornleigh | NSW |
| AUTRT | Thornton | NSW |
| AUQTH | Thredbo Village | NSW |
| AUQMB | Thulimbah | QLD |
| AUTIS | Thursday Island | QLD |
| AUTYG | Thylungra | QLD |
| AUTYB | Tibooburra | NSW |
| AUTIE | Tieri | QLD |
| AUTBK | Timber Creek | NT |
| AUTPT | Timber Point | |
| AUJUK | Timboon | VIC |
| AUTCB | Tin Can Bay | QLD |