As a box code, 3977 is used for 1 post office box location.
PO Boxes using 3977
| Suburb | Town | Province |
|---|---|---|
| Emanyiseni | Ingwavuma | KwaZulu-Natal |
Postal code 3977
Ingwavuma, KwaZulu-Natal
3977 is a PO Box code in KwaZulu-Natal, South Africa, mainly serving Ingwavuma.