Random Australian Postcode Generator
Generate real Australian Postcodes with verified city and region pairings. Export the results for authentic test data.
How is an Australian postcode structured?
Australia uses four numerical digits. The first digit broadly indicates a state or territory routing zone, while the remaining digits identify a more specific locality or postal facility.
Example structure
20002Routing zoneFirst digit
000Local codeFinal 3 digits
- Use exactly four digits. Australian postcodes contain no letters, spaces, or hyphens.
- Keep leading zeroes. Northern Territory postcodes can begin with 0 and must remain four characters.
- Some codes serve postal facilities. A postcode may identify a locality, PO box range, or other delivery service.
Frequently Asked Questions
Australian postcodes contain exactly four digits, for example 2000.