As a box code, 3814 is used for 5 post office box locations.
PO Boxes using 3814
| Suburb | Town | Province |
|---|---|---|
| Gcininhliziyo | Eshowe | KwaZulu-Natal |
| Hologo | Eshowe | KwaZulu-Natal |
| Mhlatuzana | Eshowe | KwaZulu-Natal |
| Mlalazi | Eshowe | KwaZulu-Natal |
| Mombeni | Eshowe | KwaZulu-Natal |