ISO 3166-2:AU
is an ISO standard which defines geocodes: it is the subset of ISO 3166-2 which applies to
Australia.
It describes 6 States and 2 Territories. The first part is the ISO 3166-1 code AU for Australia, the second part of the code is based on the two or
three character postal code.
Comparison with Postal Abbreviations
Australia also uses 4-digit numeric postcodes, such as Sydney NSW 2000.
Note these are different from the standard Australian postal abbreviations
Codes
See also
eo:ISO 3166-2:AU