As a box code, 0054 is used for 8 post office box locations.
PO Boxes using 0054
| Suburb | Town | Province |
|---|---|---|
| Hazeldean | Pretoria | Gauteng |
| Silver Lakes | Pretoria | Gauteng |
| Silver Lakes Ext 1 | Pretoria | Gauteng |
| Silver Lakes Ext 2 | Pretoria | Gauteng |
| Silver Lakes Ext 3 | Pretoria | Gauteng |
| Silver Lakes Ext 4 | Pretoria | Gauteng |
| Silver Lakes Golf Estate | Pretoria | Gauteng |
| Tyger Valley | Pretoria | Gauteng |