| Lieu | Code postal |
|---|---|
| Angas Plains, Alexandrina | 5255 |
| Ashbourne, Alexandrina | 5157 |
| Belvidere, Alexandrina | 5255 |
| Blackfellows Creek, Alexandrina | 5201 |
| Bletchley, Alexandrina | 5255 |
| Chiton, Alexandrina | 5211 |
| Clayton Bay, Alexandrina | 5256 |
| Currency Creek, Alexandrina | 5214 |
| Dingabledinga, Alexandrina | 5172 |
| Finniss, Alexandrina | 5255 |
| Gemmells, Alexandrina | 5255 |
| Goolwa, Alexandrina | 5214 |
| Goolwa Beach, Alexandrina | 5214 |
| Goolwa North, Alexandrina | 5214 |
| Goolwa South, Alexandrina | 5214 |
| Hartley, Alexandrina | 5255 |
| Highland Valley, Alexandrina | 5255 |
| Hindmarsh Island, Alexandrina | 5214 |
| Hope Forest, Alexandrina | 5172 |
| Kuitpo, Alexandrina | 5201 |
| Kuitpo Colony, Alexandrina | 5172 |
| Kyeema, Alexandrina | 5172 |
| Lake Plains, Alexandrina | 5255 |
| Langhorne Creek, Alexandrina | 5255 |
| McHarg Creek, Alexandrina | 5157 |
| Middleton, Alexandrina | 5213 |