As a box code, 1900 is used for 3 post office box locations.
PO Boxes using 1900
| Suburb | Town | Province |
|---|---|---|
| Bonanne | Vanderbijlpark | Gauteng |
| Kanana | Vanderbijlpark | Gauteng |
| Vanderbijlpark | Vanderbijlpark | Gauteng |
Postal code 1900
Vanderbijlpark, Gauteng
1900 is a PO Box code in Gauteng, South Africa, mainly serving Vanderbijlpark.