Australia Postcodes
3,171 codes · 18,514 places
Australia has 3,171 postcodes in this directory, covering 18,514 places in 8 states. Choose a state below or search by place name.
Postcodes by state
Frequently asked questions
How many postcodes are there in Australia?
This list has 3,171 postcodes covering 18,514 places in 8 states.
What does a Australia postcode look like?
For example 3073.
Which state has the most postcodes?
New South Wales, with 922 postcodes.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.