As a box code, 3880 is used for 29 post office box locations.
Suburbs using 3880 as street code
| Suburb | Town | Province |
|---|---|---|
| Central | Empangeni | KwaZulu-Natal |
| Empangela | Empangeni | KwaZulu-Natal |
| Empangeni Ext 17 | Empangeni | KwaZulu-Natal |
| Empangeni Ext 38 | Empangeni | KwaZulu-Natal |
| Fairview | Empangeni | KwaZulu-Natal |
| Grantham | Empangeni | KwaZulu-Natal |
| Grantham Ext 22 | Empangeni | KwaZulu-Natal |
| Grantham Park | Empangeni | KwaZulu-Natal |
| Hillview | Empangeni | KwaZulu-Natal |
| Inyala Park | Empangeni | KwaZulu-Natal |
| Kildare | Empangeni | KwaZulu-Natal |
| Kuleka | Empangeni | KwaZulu-Natal |
| Ngwelezane A | Empangeni | KwaZulu-Natal |
| Ngwelezane B | Empangeni | KwaZulu-Natal |
| Noordsig | Empangeni | KwaZulu-Natal |
| Noordsig Ext 13 | Empangeni | KwaZulu-Natal |
| Nyala Park Ext 21 | Empangeni | KwaZulu-Natal |
| Panorama | Empangeni | KwaZulu-Natal |
| Richem | Empangeni | KwaZulu-Natal |
| Richem Ext 23 | Empangeni | KwaZulu-Natal |
| Umhlathuze | Empangeni | KwaZulu-Natal |
| Umhlathuze Ext 3 | Empangeni | KwaZulu-Natal |
| Empangeni | Richards Bay | KwaZulu-Natal |