| Locality | Post Code |
|---|---|
| Acton, Southland | 9793 |
| Aparima, Southland | 9689 |
| Ardlussa, Southland | 9776, 9777 |
| Argyle Corner, Southland | 9874 |
| Argyle Hill, Southland | 9778 |
| Ashers, Southland | 9872, 9875, 9893 |
| Athol, Southland | 9793 |
| Awarua Wetlands, Southland | 9875, 9877 |
| Awatere, Southland | 9773 |
| Bald Hill, Southland | 9682, 9881 |
| Balfour, Southland | 9776, 9779 |
| Barnhill, Southland | 9791, 9792 |
| Bayswater, Southland | 9683, 9689, 9783 |
| Beaumont, Southland | 9689 |
| Benmore, Southland | 9782, 9791 |
| Birchwood, Southland | 9682, 9689 |
| Blackmount, Southland | 9679, 9682 |
| Branxholme, Southland | 9874, 9876 |
| Braxton, Southland | 9792 |
| Browns, Southland | 9781, 9782 |
| Brydone, Southland | 9774, 9893 |
| Caroline, Southland | 9791 |
| Castle Downs, Southland | 9783, 9791, 9792 |
| Castlerock, Southland | 9792 |
| Catlins Forest Park, Southland | 9583, 9586, 9875, 9884, 9892 |
| Cattle Flat, Southland | 9777, 9778 |
| Southland Postal Codes | |
|---|---|
| Southland | Invercargill |
| Gore | |