As a box code, 4240 is used for 44 post office box locations.
Suburbs using 4240 as street code
| Suburb | Town | Province |
|---|---|---|
| Albertsville | Port Shepstone | KwaZulu-Natal |
| Boboyi | Port Shepstone | KwaZulu-Natal |
| Escombe Street | Port Shepstone | KwaZulu-Natal |
| Flower Foundation | Port Shepstone | KwaZulu-Natal |
| Oslo Beach | Port Shepstone | KwaZulu-Natal |
| Pelican Road | Port Shepstone | KwaZulu-Natal |
| Port Shepstone | Port Shepstone | KwaZulu-Natal |
| Traffic Dept | Port Shepstone | KwaZulu-Natal |
| Victory Road | Port Shepstone | KwaZulu-Natal |