As a box code, 1628 is used for 18 post office box locations.
PO Boxes using 1628
| Suburb | Town | Province |
|---|---|---|
| Tembisa | Kempton Park | Gauteng |
| Ecaleni Section | Tembisa | Gauteng |
| Endulwini Section | Tembisa | Gauteng |
| Ethafeni Section | Tembisa | Gauteng |
| Kaalfontein Ext 1 | Tembisa | Gauteng |
| Moriting Section | Tembisa | Gauteng |
| Motsu Section | Tembisa | Gauteng |
| Mqantsa Ext 26 | Tembisa | Gauteng |
| Mqantsa Section | Tembisa | Gauteng |
| Seotloana | Tembisa | Gauteng |
| Tembisa Ext 10 | Tembisa | Gauteng |
| Tembisa Ext 11 | Tembisa | Gauteng |
| Tembisa Ext 12 | Tembisa | Gauteng |
| Tembisa Ext 23 | Tembisa | Gauteng |
| Tembisa Ext 26 | Tembisa | Gauteng |
| Tembisa Ext 3 | Tembisa | Gauteng |
| Tembisa Ext 4 | Tembisa | Gauteng |
| Tembisa Ext 5 | Tembisa | Gauteng |