NSW Suburb Boundaries with Postcodes, GDA2020 Geospatial Dataset

A dataset representing gazetted suburb and locality boundaries for New South Wales, Australia, updated to the GDA2020 national standard. It is maintained by the NSW Geographic Names Board and Spatial Services, with postcodes sourced from Australia Post. The data is positioned in alignment with the Land Parcel and Property theme.

Use Cases

• Mapping and visualizing suburb extents based on gazetted boundaries.
• Geocoding and address validation using suburb-postcode relationships.
• Spatial analysis of demographic or service data aggregated by suburb.
• Integrating administrative boundaries with land parcel datasets for property analysis.

Strengths

• Aligned with the national GDA2020 geodetic standard, improving positional accuracy.
• Maintains a positional relationship with the authoritative Lot and Property digital datasets.
• Includes postcodes sourced from Australia Post, providing a key attribute for analysis.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data currency is listed as 01/01/3000, which is likely a placeholder; actual freshness should be verified.

Provenance

Source

Spatial Services, a business unit of the Department of Customer Service NSW, and the NSW Geographic Names Board.

Collection Method

Digitised from best available sources and maintained via amendments from the Geographical Names Board and Local Government Areas.

Time Range

Initial publication date is 05/02/2020.

Freshness

Last updated 2026-04 27 11:38:51.133586; update frequency is listed as 'Other'.

Geography

New South Wales, Australia.