As a box code, 1518 is used for 8 post office box locations.
PO Boxes using 1518
| Suburb | Town | Province |
|---|---|---|
| Farrarmere | Benoni | Gauteng |
| Farrarmere Ext | Benoni | Gauteng |
| Farrarmere Ext 10 | Benoni | Gauteng |
| Farrarmere Ext 16 | Benoni | Gauteng |
| Farrarmere Ext 18 | Benoni | Gauteng |
| Farrarmere Ext 20 | Benoni | Gauteng |
| Farrarmere Ext 21 | Benoni | Gauteng |
| Farrarmere Ext 24 | Benoni | Gauteng |