As a box code, 1820 is used for 3 post office box locations.
PO Boxes using 1820
| Suburb | Town | Province |
|---|---|---|
| Lenasia | Johannesburg | Gauteng |
| Kanana Park Ext 5 | Lenasia | Gauteng |
| Lenasia Ext 1 | Lenasia | Gauteng |
Postal code 1820
Lenasia, Gauteng
1820 is a PO Box code in Gauteng, South Africa, mainly serving Lenasia.