As a box code, 3603 is used for 2 post office box locations.
PO Boxes using 3603
| Suburb | Town | Province |
|---|---|---|
| Chelmsford Park | Gillitts | KwaZulu-Natal |
| Gillitts | Pinetown | KwaZulu-Natal |
Postal code 3603
Pinetown, KwaZulu-Natal
3603 is a PO Box code in KwaZulu-Natal, South Africa, mainly serving Pinetown.