As a box code, 2055 is used for 19 post office box locations.
PO Boxes using 2055
| Suburb | Town | Province |
|---|---|---|
| Chartwell | Bryanston | Gauteng |
| Douglasdale Ext 13 | Bryanston | Gauteng |
| Douglasdale Ext 16 | Bryanston | Gauteng |
| Douglasdale Ext 24 | Bryanston | Gauteng |
| Douglasdale Ext 27 | Bryanston | Gauteng |
| Dainfern | Fourways | Gauteng |
| Dainfern Ext 19 | Fourways | Gauteng |
| Dainfern Ext 34 | Fourways | Gauteng |
| Dainfern Valley | Fourways | Gauteng |
| Fourway Gardens | Johannesburg | Gauteng |
| Fourway Gardens Ext 8 | Johannesburg | Gauteng |
| Fourways | Johannesburg | Gauteng |
| Fourways East | Johannesburg | Gauteng |
| Fourways Ext 10 | Johannesburg | Gauteng |
| Fourways Ext 12 | Johannesburg | Gauteng |
| Fourways Ext 15 | Johannesburg | Gauteng |
| Fourways Ext 55 | Johannesburg | Gauteng |
| Fourways Ext 8 | Johannesburg | Gauteng |
| Norscot | Johannesburg | Gauteng |