| Place | Post Code |
|---|---|
| Addo, Sundays River Valley | 6105 |
| Bergsig, Sundays River Valley | 6120 |
| Enon, Sundays River Valley | 6125 |
| Kirkwood, Sundays River Valley | 6120 |
| Kwa Zenzele, Sundays River Valley | 6130 |
| Moreson, Sundays River Valley | 6130 |
| Paterson, Sundays River Valley | 6130 |
| Valentia (Valencia, Sundays River Valley) | 6105 |