A Postal code is required based on country. With KSA for example, it is a mandatory requirement. This requirement is part of the billing information that is required by the processor and by anti-fraud systems to ensure the security and integrity of the transaction and the cardholder.

Suggestion: Google the Zip Codes in your Area.

Accordingly to our Established list, which was coined from the International Standard (ISO), all regions appear to be covered.

Our system contains all official ISO Saudi regions (there are 13 in total).