Australia Address Format Guide: Structure & Examples

Updated: July 9, 2025
Table of Contents

Australia Address Format Guide

In this comprehensive guide, we’ll explore the standard address format used in Australia. Whether you’re shipping packages, sending mail, or validating addresses for your business, understanding the proper address structure is essential for successful deliveries. We’ll cover the basic elements, provide examples, and explain how GeoPostcodes can help with address validation.

Australia - Address Format

An address format in Australia contains the following elements:

  1. Recipient’s name
  2. Business or department name (if applicable)
  3. House number and street name
  4. Locality Name, State Abbreviation, Postcode (4 digits)
  5. Country – AUSTRALIA (in all caps)

John Smith
11 Sandy Terrace
Singleton WA 6175
AUSTRALIA

Australia Address Format Examples

Example 1:

John Smith
159 Bedford Street
Berserker QLD 4701
AUSTRALIA

Example 2:

Australia Post
48 Dickson Pl.
Dickson ACT 2602
AUSTRALIA

Postal and Country Information for Australia

Country/territory name Australia
ISO codes ISO 3166-1 alpha-2: AU
ISO 3166-1 alpha-3: AUS
ISO 3166-1 numeric-1: 36
Administrative area count 12
Administration area names and abbreviations
  • New South Wales
  • Queensland
  • South Australia
  • Tasmania
  • Victoria
  • Western Australia
  • Australian Capital Territory
  • Northern Territory
  • NSW
  • QLD
  • SA
  • TAS
  • VIC
  • WA
  • ACT
  • NT
Term to describe postal codes Postcode
Postal code format 9999
Population 26 910 687
Total land area 7 685 610km²

How to Validate Addresses for Australia Using GeoPostcodes Database

GeoPostcodes offers comprehensive address validation database to validate Australia addresses. Our database ensures addresses follow the correct format for Australia, reducing delivery errors and improving efficiency.

Use GeoPostcodes:

  • Address Database to validate Street Names, Localities, State Abbreviations and Postcodes in Australia
  • Postal Database if you only need to validate Localities, State Abbreviations and Postcodes in Australia
  • Population Database if you would like to do urban/rural mapping or compute how many people live in Australia segmented by postcode, city or administrative divisions

You can leverage GeoPostcodes data to validate addresses in Australia using:

  • Street column to validate Street names
  • Locality column to validate Locality names
  • ISO2 column to validate State abbreviations
  • Postcode column to validate Postcodes