| Code | Name | Region |
|---|---|---|
| AUTGE | Tullibigeal | NSW |
| AUTBB | Tumbarumba | NSW |
| AUTUL | Tumblong | NSW |
| AUTBG | Tumbulgum | NSW |
| AUTUM | Tumut | NSW |
| AUTBH | Tura Beach | NSW |
| AUTKY | Turkey Creek | WA |
| AUTUR | Turramurra | NSW |
| AUSAT | Tusmore | SA |
| AUTHS | Tweed Heads South | NSW |
| AUDA5 | Twowells | SA |
| AU2CO | Tyabb | VIC |
| AUTYE | Tyers | VIC |
| AUTNG | Tynong | VIC |
| AUTYN | Tynong North | VIC |
| AUULY | Uleybury | SA |
| AUULA | Ulladulla | NSW |
| AUULT | Ultimo | NSW |
| AUULV | Ulverstone | TAS |
| AUUMB | Umbakumba | NT |
| AULKU | Torrensville | SA |
| AUTWP | Torwood | QLD |
| AUTSA | Totness | SA |
| 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 |