As a box code, 0122 is used for 6 post office box locations.
Suburbs using 0122 as street code
PO Boxes using 0122
| Suburb | Town | Province |
|---|---|---|
| Mahube Valley Ext 3 | Mamelodi | Gauteng |
| Mamelodi Ext 2 | Mamelodi | Gauteng |
| Mamelodi Ext 3 | Mamelodi | Gauteng |
| Mamelodi Ext 4 | Mamelodi | Gauteng |
| Mamelodi Ext 5 | Mamelodi | Gauteng |
| Mamelodi Ext 6 | Mamelodi | Gauteng |