As a box code, 0030 is used for 15 post office box locations.
PO Boxes using 0030
| Suburb | Town | Province |
|---|---|---|
| Andeon | Pretoria | Gauteng |
| Andeon AH | Pretoria | Gauteng |
| Andeon Ext 1 | Pretoria | Gauteng |
| Andeon Ext 15 | Pretoria | Gauteng |
| Andeon Ext 18 | Pretoria | Gauteng |
| Andeon Ext 2 | Pretoria | Gauteng |
| Andeon Ext 3 | Pretoria | Gauteng |
| Andeon Ext 38 | Pretoria | Gauteng |
| Andeon Ext 4 | Pretoria | Gauteng |
| Andeon Ext 5 | Pretoria | Gauteng |
| Andeon Ext 6 | Pretoria | Gauteng |
| Hercules | Pretoria | Gauteng |
| Mountain View | Pretoria | Gauteng |
| Roodeplaat | Pretoria | Gauteng |
| Kirkney Ext 44 | Pretoria North | Gauteng |