| Place | Post Code |
|---|---|
| Saint Ives, Mount Barker | 5252 |
| Totness, Mount Barker | 5250 |
| Wistow, Mount Barker | 5251 |
| All postal codes in Southern and Hills | |
|---|---|
| Alexandrina, Southern and Hills | |
| Kangaroo Island, Southern and Hills | |
| Mount Barker, Southern and Hills | |
| Victor Harbor, Southern and Hills | |
| Yankalilla, Southern and Hills | |