As a box code, 1023 is used for 1 post office box location.
PO Boxes using 1023
| Suburb | Town | Province |
|---|---|---|
| Somarobogo | Kwamhlanga | Mpumalanga |
Postal code 1023
Kwamhlanga, Mpumalanga
1023 is a PO Box code in Mpumalanga, South Africa, mainly serving Kwamhlanga.