As a box code, 4310 is used for 36 post office box locations.
PO Boxes using 4310
| Suburb | Town | Province |
|---|---|---|
| Inanda | Durban | KwaZulu-Natal |
| Africa | Inanda | KwaZulu-Natal |
| Amatikwe | Inanda | KwaZulu-Natal |
| Bhambayi | Inanda | KwaZulu-Natal |
| Choboza | Inanda | KwaZulu-Natal |
| Congo | Inanda | KwaZulu-Natal |
| Dube Village | Inanda | KwaZulu-Natal |
| Egugwini | Inanda | KwaZulu-Natal |
| Ekumanazeni | Inanda | KwaZulu-Natal |
| Ekuphakameni | Inanda | KwaZulu-Natal |
| Emachobeni | Inanda | KwaZulu-Natal |
| Emapulazini | Inanda | KwaZulu-Natal |
| Esidonini | Inanda | KwaZulu-Natal |
| Ezimangweni | Inanda | KwaZulu-Natal |
| Inanda Glebe | Inanda | KwaZulu-Natal |
| Inkangala | Inanda | KwaZulu-Natal |
| Inkanyezi Yokusa | Inanda | KwaZulu-Natal |
| Khusane | Inanda | KwaZulu-Natal |
| Kwamthethwa | Inanda | KwaZulu-Natal |
| Kwangcolosi | Inanda | KwaZulu-Natal |
| Langalibalele | Inanda | KwaZulu-Natal |
| Langalibalele Phase 2 | Inanda | KwaZulu-Natal |
| Mbozamo | Inanda | KwaZulu-Natal |
| Mshayazafe | Inanda | KwaZulu-Natal |
| Mzomusha | Inanda | KwaZulu-Natal |
| Newtown | Inanda | KwaZulu-Natal |
| Newtown C | Inanda | KwaZulu-Natal |
| Newtown Section A | Inanda | KwaZulu-Natal |
| Newtown Section B | Inanda | KwaZulu-Natal |
| Newtown Section C | Inanda | KwaZulu-Natal |
| Ngonweni | Inanda | KwaZulu-Natal |
| Nhlungwana | Inanda | KwaZulu-Natal |
| Ohlange | Inanda | KwaZulu-Natal |
| Phola/Mloshi | Inanda | KwaZulu-Natal |
| Senzokuhle | Inanda | KwaZulu-Natal |
| Stop 8 | Inanda | KwaZulu-Natal |