As a box code, 2920 is used for 10 post office box locations.
PO Boxes using 2920
| Suburb | Town | Province |
|---|---|---|
| Wasbank | Dundee | KwaZulu-Natal |
| Ekuvukeni | Wasbank | KwaZulu-Natal |
| Ekuvukeni 1 | Wasbank | KwaZulu-Natal |
| Emahlabatini | Wasbank | KwaZulu-Natal |
| Etholeni | Wasbank | KwaZulu-Natal |
| Ezihlabathini | Wasbank | KwaZulu-Natal |
| Kwahlathi | Wasbank | KwaZulu-Natal |
| Limehill | Wasbank | KwaZulu-Natal |
| Rockescliff | Wasbank | KwaZulu-Natal |
| Spandikroon | Wasbank | KwaZulu-Natal |