As a box code, 4221 is used for 1 post office box location.
PO Boxes using 4221
| Suburb | Town | Province |
|---|---|---|
| Clifton Park | Hibberdene | KwaZulu-Natal |
Postal code 4221
Hibberdene, KwaZulu-Natal
4221 is a PO Box code in KwaZulu-Natal, South Africa, mainly serving Hibberdene.