As a box code, 3904 is used for 1 post office box location.
PO Boxes using 3904
| Suburb | Town | Province |
|---|---|---|
| Arbex | Richards Bay | KwaZulu-Natal |
Postal code 3904
Richards Bay, KwaZulu-Natal
3904 is a PO Box code in KwaZulu-Natal, South Africa, mainly serving Richards Bay.