As a box code, 4403 is used for 1 post office box location.
PO Boxes using 4403
| Suburb | Town | Province |
|---|---|---|
| Esidumbini | Tongaat | KwaZulu-Natal |
Postal code 4403
Tongaat, KwaZulu-Natal
4403 is a PO Box code in KwaZulu-Natal, South Africa, mainly serving Tongaat.