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Discover all Postcodes in Australia across States and Localities. Instantly retrieve Australia Postcodes with interactive Postcode lookup Map.

Postcodes are a critical component of Australia's postal system, providing a structured way to organize and locate addresses across the vast expanse of the country. They play a fundamental role in facilitating efficient mail sorting and delivery, contributing to the smooth functioning of communication, commerce, and logistics nationwide. Introduced in 1967 as part of an initiative to modernize the postal system, Australian postcodes have since evolved to meet the growing demands of a rapidly changing society and economy.

To find a comprehensive list of Postcodes in Australia, please refer to the table below or click on any location on the Interactive map to instantly find the postal code and address for your mail's destination:

List of Postcodes in Australia

StateState codePostcodes (Range)Count
Australian Capital TerritoryACT0200 to 2914154
New South WalesNSW1001 to 43855122
Northern TerritoryNT0800 to 4825364
QueenslandQLD4000 to 99443456
South AustraliaSA0872 to 59601783
TasmaniaTAS7000 to 7923831
VictoriaVIC3000 to 86273260
Western AustraliaWA0872 to 69971903

Interactive Map of Australia postcodes

Interactive Postcode lookup Map: Simply click on any location on the map to instantly reveal its Postcode and address details. For a more immersive experience, engage Fullscreen mode to maximize your exploration capabilities and enable smooth navigation with scroll gestures.

Format of Australia postcode

Australian postcodes usually have four numbers. Sometimes, they might have a letter at the end. The first number shows the state or territory. The other numbers give more details about the area. For example, postcodes in Sydney, New South Wales, often start with ‘2,’ while those in Melbourne, Victoria, may start with ‘3.’ Big users of mail services, like government departments and big companies, may have their own unique postcodes.

This format helps to sort and deliver mail efficiently. It makes sure that mail items go to the right places. By using geographic information in the postcode system, Australia Post can improve its delivery networks and give quick service to customers in different city and country areas.

History of Australia postcode

The story of Australian postcodes starts in the middle of the 20th century. At that time, the country’s postal system went through big changes. Before postcodes were introduced, sorting and delivering mail was done by hand. This was slow and inefficient, especially in crowded city areas. Australia Post saw the need for a better system. They started a project to create a postcode system that would make mail processing quicker and more accurate.

In 1967, the first postcodes were given to specific areas in big cities. This was the start of a big change for Australia’s postal infrastructure. Over time, the postcode system grew to include country and remote regions. This reflected the country’s growing population and changing geographic landscape. By the end of the 20th century, postcodes had become a part of everyday life. They were used in the addressing system and by businesses, government agencies, and people.

Implementation of Australia postcode

Putting postcodes into use in Australia needed a big effort from Australia Post, government agencies, and the public. Australia Post had a key role in creating and keeping up the postcode system. They used advanced technologies and data analytics to make sure it was accurate and effective. Government support was important in getting people to use postcodes and putting them into official address databases and mapping systems.

In recent years, technology has made the postcode system even better. Digital mapping platforms and geocoding services now let users find locations with greater accuracy. This makes it easier to use and interact with postcode data. Australia Post continues to innovate, finding new ways to use postcode information for online shopping, digital marketing, and smart city projects.

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