Postcode Boundaries Australia

Postcode Boundaries Australia provides a geographic representation of postcode boundaries for the entire country, using a combination of data sources from Australia Post, PSMA Australia and Pitney Bowes. Postcode boundaries are built in a nationwide parent-child hierarchy from suburb and locality boundaries, with no gaps or overlaps.


  • Links seamlessly with Suburbs and Localities Australia
  • Permits internal business data to be easily linked and thematically mapped
  • Provides the most accurate and up-to-date postcode boundary definitions available for Australia
  • Allows easy identification of the linkage between postcodes and localities


  • Complete national coverage including rural and remote areas
  • Base demographics can be used for mapping and analysis at a high level
  • Linkage to localities simplifies identification of errors in addressing
  • Perfect alignment with Cadastral Plus, G-NAF Premium Address Points and Pitney Bowes geocoding for more accurate analysis and mapping


  • More than 2,600 unique postcodes available nationally
  • Base demographics including:
    • Total population
    • Households
    • Median personal income
    • Median household income
    • Population density
  • Incremental update file
  • Linkage between postcodes and localities


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