As a box code, 3730 is used for 1 post office box location.
PO Boxes using 3730
| Suburb | Town | Province |
|---|---|---|
| Umlaas Road | Hammarsdale | KwaZulu-Natal |
Postal code 3730
Hammarsdale, KwaZulu-Natal
3730 is a PO Box code in KwaZulu-Natal, South Africa, mainly serving Hammarsdale.