As a box code, 1423 is used for 2 post office box locations.
PO Boxes using 1423
| Suburb | Town | Province |
|---|---|---|
| Rondebult | Germiston | Gauteng |
| Rondebult Ext 2 | Germiston | Gauteng |
Postal code 1423
Germiston, Gauteng
1423 is a PO Box code in Gauteng, South Africa, mainly serving Germiston.