As a box code, 1747 is used for 8 post office box locations.
PO Boxes using 1747
| Suburb | Town | Province |
|---|---|---|
| Muldersdrif | Krugersdorp | Gauteng |
| Nooitgedacht | Krugersdorp | Gauteng |
| Elandsdrif | Muldersdrif | Gauteng |
| Honingklip | Muldersdrif | Gauteng |
| Lammermoor | Muldersdrif | Gauteng |
| Rietfontein | Muldersdrif | Gauteng |
| Swartkops | Muldersdrif | Gauteng |
| Zandspruit | Muldersdrif | Gauteng |