As a box code, 4103 is used for 1 post office box location.
PO Boxes using 4103
| Suburb | Town | Province |
|---|---|---|
| Ekuthuleni | Umbumbulu | KwaZulu-Natal |
Postal code 4103
Umbumbulu, KwaZulu-Natal
4103 is a PO Box code in KwaZulu-Natal, South Africa, mainly serving Umbumbulu.