As a box code, 4035 is used for 6 post office box locations.
PO Boxes using 4035
| Suburb | Town | Province |
|---|---|---|
| Marble Ray | Durban | KwaZulu-Natal |
| Ezihlabatini | Marble Ray | KwaZulu-Natal |
| Kwasheleni | Marble Ray | KwaZulu-Natal |
| Mancinza | Marble Ray | KwaZulu-Natal |
| Pholile | Marble Ray | KwaZulu-Natal |
| Sakhisiwe | Marble Ray | KwaZulu-Natal |