As a box code, 3960 is used for 9 post office box locations.
PO Boxes using 3960
| Suburb | Town | Province |
|---|---|---|
| Buhlebendabuko | Hluhluwe | KwaZulu-Natal |
| Bukimvelo | Hluhluwe | KwaZulu-Natal |
| Ezifundeni | Hluhluwe | KwaZulu-Natal |
| Hluhluwe | Hluhluwe | KwaZulu-Natal |
| Makhasa | Hluhluwe | KwaZulu-Natal |
| Mfekayi | Hluhluwe | KwaZulu-Natal |
| Ncwabakazi | Hluhluwe | KwaZulu-Natal |
| Phumu' Zakhele | Hluhluwe | KwaZulu-Natal |
| Siphosabadletshe | Hluhluwe | KwaZulu-Natal |