As a box code, 1453 is used for 7 post office box locations.
PO Boxes using 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 |