As a box code, 1715 is used for 8 post office box locations.
PO Boxes using 1715
| Suburb | Town | Province |
|---|---|---|
| Constantia Kloof | Florida | Gauteng |
| Constantia Kloof Ext 5 | Florida | Gauteng |
| Devon Valley | Florida | Gauteng |
| Palm Court | Florida | Gauteng |
| Weltevredenpark | Florida | Gauteng |
| Weltevredenpark Ext 100 | Florida | Gauteng |
| Weltevredenpark Ext 104 | Florida | Gauteng |
| Weltevredenpark Ext 76 | Florida | Gauteng |