All-natural web development, poignant wit, and hippie ramblings since 2004.
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Fresh thoughts

12
Jul

Australian LGA to postcode mappings with PostGIS and Intersects

For a recent project, I needed to know the LGAs (Local Government Areas) of all postcodes in Australia, and vice versa. As it turns out, there is no definitive Australia-wide list containing this data anywhere. People have been discussing the issue for some time, with no clear outcome. So, I decided to get creative.

To cut a long story short: I've produced my own list! You can download my Australian LGA postcode mappings spreadsheet from Google Docs.

If you want the full story: I imported both the LGA boundaries data and the Postal Area boundaries data from the ABS, into PostGIS, and I did an "Intersects" query on the two datasets. I exported the results of this query to CSV. Done! And all perfectly reproducible, using freely available public data sets, and using free and open-source software tools.

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I'm working full-time, but I'm free for smaller projects.

Availability last updated: 25 Oct 2013.

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