As a box code, 3891 is used for 1 post office box location.
PO Boxes using 3891
| Suburb | Town | Province |
|---|---|---|
| Kwa-Biyela | Richards Bay | KwaZulu-Natal |
Postal code 3891
Richards Bay, KwaZulu-Natal
3891 is a PO Box code in KwaZulu-Natal, South Africa, mainly serving Richards Bay.