As a box code, 4090 is used for 1 post office box location.
PO Boxes using 4090
| Suburb | Town | Province |
|---|---|---|
| Reservoir Hills | Durban | KwaZulu-Natal |
Postal code 4090
Durban, KwaZulu-Natal
4090 is a PO Box code in KwaZulu-Natal, South Africa, mainly serving Durban.