As a box code, 1525 is used for 8 post office box locations.
PO Boxes using 1525
| Suburb | Town | Province |
|---|---|---|
| Lakefield | Benoni | Gauteng |
| Lakefield Ext 1 | Benoni | Gauteng |
| Lakefield Ext 18 | Benoni | Gauteng |
| Lakefield Ext 2 | Benoni | Gauteng |
| Lakefield Ext 21 | Benoni | Gauteng |
| Lakefield Ext 31 | Benoni | Gauteng |
| Lakefield Ext 34 | Benoni | Gauteng |
| Lakefield Ext 9 | Benoni | Gauteng |