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

State/Territory	ISO 3166-2	Postal
New South Wales	AU-NSW	NSW
Queensland	AU-QLD	QLD
South Australia	AU-SA	SA
Tasmania	AU-TAS	TAS
Victoria	AU-VIC	VIC
Western Australia	AU-WA	WA
Australian Capital Territory	AU-ACT	ACT
Northern Territory	AU-NT	NT

Codes

Sorted by Code AU-ACT Australian Capital Territory AU-NSW New South Wales AU-NT Northern Territory AU-QLD Queensland AU-SA South Australia AU-TAS Tasmania AU-VIC Victoria AU-WA Western Australia

Sorted by Name States New South Wales AU-NSW Queensland AU-QLD South Australia AU-SA Tasmania AU-TAS Victoria AU-VIC Western Australia AU-WA Territories Australian Capital Territory AU-ACT Northern Territory AU-NT

See also

• ISO 3166-2, the reference table for all country region codes.
• ISO 3166-1, the reference table for all country codes, as used for domain names on the internet.