As a box code, 0046 is used for 9 post office box locations.
PO Boxes using 0046
| Suburb | Town | Province |
|---|---|---|
| Amberfield Ridge | Centurion | Gauteng |
| Centurion | Centurion | Gauteng |
| Centurion Country Club | Centurion | Gauteng |
| Die Hoewes Ext 126 | Centurion | Gauteng |
| Die Hoewes Ext 26 | Centurion | Gauteng |
| Kosmosdal Ext 51 | Centurion | Gauteng |
| Kosmosdal Ext 52 | Centurion | Gauteng |
| Lowlardia Ext 48 | Centurion | Gauteng |
| Zwartkop Ext 4 | Centurion | Gauteng |