1453 is also the box code for 7 post office box locations.
PO Box locations with code 1453
| Suburb | Town | Province |
|---|---|---|
| Verwoerdpark | Alberton | Gauteng |
| Verwoerdpark Ext | Alberton | Gauteng |
| Verwoerdpark Ext 1 | Alberton | Gauteng |
| Verwoerdpark Ext 3 | Alberton | Gauteng |
| Verwoerdpark Ext 4 | Alberton | Gauteng |
| Verwoerdpark Ext 5 | Alberton | Gauteng |
| Verwoerdpark Ext 7 | Alberton | Gauteng |