Australia Postcodes
Australia
19.5K
4 chars
8
2
Interactive Map
Explore Australia's 8 states and territories with our interactive map.
Find Post Offices
Locate post offices across Australia. Find addresses and contact information.
Understanding Australia Postcodes
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
Postcode format breakdown
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.
Administrative Hierarchy
How Australia organises areas for postcodes
State or Territory
8 totalSuburb
520 totalStates and territories Directory
Browse all 8 top-level divisions
Addressing Mail to Australia
Step-by-step guide for correct address formatting
Sample Address Block
Name; 119 Road; Suburb NSW 2000; AUSTRALIA
Delivery Best Practices
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.
Shipping to Australia
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.
Frequently Asked Questions
Common questions about Australia postcodes
What is the postcode format for Australia?
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.
How many states and territories does Australia have?
Australia has 8 states and territories with postcode coverage. Use our browse tool to explore them.
How do I find my postcode in Australia?
Use our free lookup or browse by state or territory to find the exact postcode for your location.
Where do I write the postcode on a Australia address?
The postcode is written on the same line as or immediately after the state or territory, before the country name when mailing internationally.