As a box code, 3690 is used for 1 post office box location.
PO Boxes using 3690
| Suburb | Town | Province |
|---|---|---|
| Nshongweni | Hammarsdale | KwaZulu-Natal |
Postal code 3690
Hammarsdale, KwaZulu-Natal
3690 is a PO Box code in KwaZulu-Natal, South Africa, mainly serving Hammarsdale.