Postcode Guides
Explainers, how-tos, and reference guides about AU and NZ postcodes.
🇦🇺 AustraliaJanuary 2025· 5 min read
How Australian Postcodes Work
Australia uses a 4-digit postcode system where the first digit tells you which state or territory. Learn the history, format, and rules behind AU postcodes.
Read more →🇦🇺 AustraliaJanuary 2025· 3 min read
Major City Postcodes in Australia
Quick reference guide for CBD postcodes in every Australian capital city — Sydney 2000, Melbourne 3000, Brisbane 4000, and more.
Read more →🇳🇿 New ZealandJanuary 2025· 4 min read
New Zealand Postcode Guide
New Zealand introduced its 4-digit postcode system in 2006. Here's how NZ postcodes are structured and what the numbers mean.
Read more →ExplainerJanuary 2025· 4 min read
Postcode vs Suburb: What's the Difference?
A suburb is a geographic area; a postcode is a postal delivery zone. They don't always match 1:1. Here's what you need to know.
Read more →How-toJanuary 2025· 3 min read
How to Find Your Postcode in Australia
Not sure of your postcode? Here are the fastest and most reliable ways to look it up — including our free search tool.
Read more →