Observatory Ext postal code
Observatory Ext is served by the Johannesburg post office area in Gauteng.
Street code
2198
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 Observatory Ext
12 Example Street
Observatory Ext
Johannesburg
2198
Helpful guides
Questions
What is the postal code for Observatory Ext?
The postal code for Observatory Ext in Johannesburg, Gauteng is 2198, 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 Observatory Ext in?
Observatory Ext is in Gauteng, served by the Johannesburg post office area.