Australia
18.6K
4 chars
11
2
Explore Australia's 11 states and territories with our interactive map.
Locate post offices across Australia. Find addresses and contact information.
Australia uses a 4-character postal code system. 4-digit postcode; first digit identifies state/territory.
Key Characteristics
Code Type
Numeric
Administered By
National Postal Service
Coverage
Nationwide
Visual Structure
4-digit postcode; first digit identifies state/territory.
How Australia organises its postal regions
Browse all 11 top-level divisions
Step-by-step guide for correct address formatting
Sample Address Block
Name; 119 Road; Suburb NSW 2000; AUSTRALIA
Tips for successful mail and package delivery
Always verify the postal code
Double-check the 4-character code before sending. Use our lookup tool to confirm accuracy.
Include all address levels
Write the full address hierarchy for best results.
Avoid abbreviations
Write out full state or territory names to prevent sorting errors.
Don't omit the postal code
Missing postal codes cause significant delivery delays and may result in returned mail.
What to know when sending packages
Standard domestic delivery within Australia typically takes 2–7 business days. International packages require complete address information including the postal code. Always include the correct 4-character code for fastest routing.
Common questions about Australia postal codes
Australia uses a 4-character postal code. An example is 2000. 4-digit postcode; first digit identifies state/territory.
Australia has 11 states and territories with postal code coverage. Use our browse tool to explore them.
Use our free postal code lookup or browse by state or territory to find the exact code for your location.
The postal code is written on the same line as or immediately after the state or territory, before the country name when mailing internationally.
Australia
18.6K
4 chars
11
2
Explore Australia's 11 states and territories with our interactive map.
Locate post offices across Australia. Find addresses and contact information.
Australia uses a 4-character postal code system. 4-digit postcode; first digit identifies state/territory.
Key Characteristics
Code Type
Numeric
Administered By
National Postal Service
Coverage
Nationwide
Visual Structure
4-digit postcode; first digit identifies state/territory.
How Australia organises its postal regions
Browse all 11 top-level divisions
Step-by-step guide for correct address formatting
Sample Address Block
Name; 119 Road; Suburb NSW 2000; AUSTRALIA
Tips for successful mail and package delivery
Always verify the postal code
Double-check the 4-character code before sending. Use our lookup tool to confirm accuracy.
Include all address levels
Write the full address hierarchy for best results.
Avoid abbreviations
Write out full state or territory names to prevent sorting errors.
Don't omit the postal code
Missing postal codes cause significant delivery delays and may result in returned mail.
What to know when sending packages
Standard domestic delivery within Australia typically takes 2–7 business days. International packages require complete address information including the postal code. Always include the correct 4-character code for fastest routing.
Common questions about Australia postal codes
Australia uses a 4-character postal code. An example is 2000. 4-digit postcode; first digit identifies state/territory.
Australia has 11 states and territories with postal code coverage. Use our browse tool to explore them.
Use our free postal code lookup or browse by state or territory to find the exact code for your location.
The postal code is written on the same line as or immediately after the state or territory, before the country name when mailing internationally.