As a box code, 4342 is used for 15 post office box locations.
PO Boxes using 4342
| Suburb | Town | Province |
|---|---|---|
| Embuyeni | Ndwedwe | KwaZulu-Natal |
| Ezimpondweni | Ndwedwe | KwaZulu-Natal |
| Hlomanthethe | Ndwedwe | KwaZulu-Natal |
| Isiminiya | Ndwedwe | KwaZulu-Natal |
| Mahlalela | Ndwedwe | KwaZulu-Natal |
| Mdlokohlo | Ndwedwe | KwaZulu-Natal |
| Nkumbanyuswa | Ndwedwe | KwaZulu-Natal |
| Ntabaskop | Ndwedwe | KwaZulu-Natal |
| Ntabeni | Ndwedwe | KwaZulu-Natal |
| Sonkombo | Ndwedwe | KwaZulu-Natal |
| Thembeni | Ndwedwe | KwaZulu-Natal |
| Umkhuza | Ndwedwe | KwaZulu-Natal |
| Umsunduze | Ndwedwe | KwaZulu-Natal |
| Zubane | Ndwedwe | KwaZulu-Natal |
| Ndwedwe | Tongaat | KwaZulu-Natal |