Postcode Boundaries

The definitive set of Australian postcodes for a wide range of spatial aggregation and analysis activities.

PSMA’s Postcode Boundaries dataset is the definitive set of postcodes for Australia.

Postcodes are integral to mailing addresses and are used in a wide range of spatial aggregation and analysis activities.

Postcodes are allocated to geographic areas to facilitate the efficient processing and delivery of mail.


Postcode Boundaries Metadata Statement


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Developed by PSMA Australia and our suppliers, the dataset includes:

  • Postcode boundaries (polygon data)
  • Postcode centroids (point data).

What is this dataset used for?

Targeted marketing – to pinpoint and verify addresses within a boundary to reduce data duplication and increase database accuracy.

Location finder – to show internet or smartphone users services in their nearest suburb.

Profiling – combine social, demographic, economic and environmental data with Postcode Boundaries to build profiles of suburbs and wider areas.

Emergency response – use in conjunction with G-NAF to verify addresses for 000 calls and help reduce response times.

Policy development – to provide a starting point for demographic and socio-economic analysis by government agencies.

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