| Locality | Post Code |
|---|---|
| Tinkertown, Southland | 9689 |
| Tokanui, Southland | 9875, 9884, 9891 |
| Tuatapere, Southland | 9620, 9691 |
| Tussock Creek, Southland | 9781, 9876 |
| Tuturau, Southland | 9772, 9774, 9892 |
| Twinlaw, Southland | 9689 |
| Underwood, Southland | 9874 |
| Upper Charlton, Southland | 9774, 9777, 9872, 9893 |
| Waianiwa, Southland | 9874 |
| Waihoaka, Southland | 9881 |
| Waikaia, Southland | 9777, 9778 |
| Waikawa, Southland | 9884 |
| Waikawa Valley, Southland | 9884 |
| Waikouro, Southland | 9682, 9689 |
| Waimahaka, Southland | 9875, 9891 |
| Waimatua, Southland | 9877 |
| Waimatuku, Southland | 9883 |
| Waimea, Southland | 9776 |
| Southland Postal Codes | |
|---|---|
| Southland | Invercargill |
| Gore | |