As a box code, 1600 is used for 2 post office box locations.
PO Boxes using 1600
| Suburb | Town | Province |
|---|---|---|
| Isando | Isando | Gauteng |
| Klopperpark | Isando | Gauteng |
Postal code 1600
Isando, Gauteng
1600 is a PO Box code in Gauteng, South Africa, mainly serving Isando.