Cosmo City Ext postal code
Cosmo City Ext is served by the Johannesburg post office area in Gauteng.
Street code
2188
PO Box code
None listed
Only a street code is listed, so there are no post office boxes registered under this suburb.
Addressing mail to Cosmo City Ext
12 Example Street
Cosmo City Ext
Johannesburg
2188
Helpful guides
Questions
What is the postal code for Cosmo City Ext?
The postal code for Cosmo City Ext in Johannesburg, Gauteng is 2188, used for street addresses.
What is the difference between a street code and a PO Box code?
A street code is used when mail is delivered to a physical street address. A PO Box code is used for post office boxes and private bags. In South Africa the two are often different, so use the one that matches the address you are writing.
Which province is Cosmo City Ext in?
Cosmo City Ext is in Gauteng, served by the Johannesburg post office area.