Australia
25
4 chars
25
1
Explore Australia's 25 states and territories with our interactive map.
Locate post offices across Australia. Find addresses and contact information.
School and university mailrooms in Australia reject sacks missing four-digit codes (2000); AU campus carriers batch dorm drops using those tokens.
Key Characteristics
Code Type
Numeric
Administered By
National Postal Service
Coverage
Nationwide
Australia uses numeric postcodes with 4 digits (example: 2000). In our directory, these codes are organized from states and territories down to suburbs.
Visual Structure
School and university mailrooms in Australia reject sacks missing four-digit codes (2000); AU campus carriers batch dorm drops using those tokens.
How Australia organises areas for postcodes
Browse all 25 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 postcode
Verify your postcode is complete (4 digits) 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 postcode
Missing postcodes 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 postcode. Always include the correct 4-character code for fastest routing.
Common questions about Australia postcodes
Australia uses 4 digits in the postcode. An example is 2000. School and university mailrooms in Australia reject sacks missing four-digit codes (2000); AU campus carriers batch dorm drops using those tokens.
Australia has 25 states and territories with postcode coverage. Use our browse tool to explore them.
Use our free lookup or browse by state or territory to find the exact postcode for your location.
The postcode is written on the same line as or immediately after the state or territory, before the country name when mailing internationally.
Australia
25
4 chars
25
1
Explore Australia's 25 states and territories with our interactive map.
Locate post offices across Australia. Find addresses and contact information.
School and university mailrooms in Australia reject sacks missing four-digit codes (2000); AU campus carriers batch dorm drops using those tokens.
Key Characteristics
Code Type
Numeric
Administered By
National Postal Service
Coverage
Nationwide
Australia uses numeric postcodes with 4 digits (example: 2000). In our directory, these codes are organized from states and territories down to suburbs.
Visual Structure
School and university mailrooms in Australia reject sacks missing four-digit codes (2000); AU campus carriers batch dorm drops using those tokens.
How Australia organises areas for postcodes
Browse all 25 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 postcode
Verify your postcode is complete (4 digits) 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 postcode
Missing postcodes 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 postcode. Always include the correct 4-character code for fastest routing.
Common questions about Australia postcodes
Australia uses 4 digits in the postcode. An example is 2000. School and university mailrooms in Australia reject sacks missing four-digit codes (2000); AU campus carriers batch dorm drops using those tokens.
Australia has 25 states and territories with postcode coverage. Use our browse tool to explore them.
Use our free lookup or browse by state or territory to find the exact postcode for your location.
The postcode is written on the same line as or immediately after the state or territory, before the country name when mailing internationally.