Heard Island and McDonald Islands Postal codes
Heard Island and McDonald Islands
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Interactive Map
Explore Heard Island and McDonald Islands's 1 provinces with our interactive map.
Find Post Offices
Locate post offices across Heard Island and McDonald Islands. Find addresses and contact information.
Understanding Heard Island and McDonald Islands Postal codes
Cold‑chain labels entering Heard Island and McDonald Islands print four-digit codes (7151) beside city; HM temperature hubs stage pallets strictly by.
Key Characteristics
Code Type
Numeric
Administered By
National Postal Service
Coverage
Nationwide
Postal code format breakdown
Heard Island and McDonald Islands uses numeric postal codes with 4 digits (example: 7151). In our directory, these codes are organized from provinces down to villages.
Visual Structure
Cold‑chain labels entering Heard Island and McDonald Islands print four-digit codes (7151) beside city; HM temperature hubs stage pallets strictly by.
Administrative Hierarchy
How Heard Island and McDonald Islands organises areas for postal codes
Province
1 totalProvinces Directory
Browse all 1 top-level divisions
Addressing Mail to Heard Island and McDonald Islands
Step-by-step guide for correct address formatting
Sample Address Block
Name; Street; City, State Postcode; Country
Delivery Best Practices
Tips for successful mail and package delivery
Always verify the postal code
Verify your postal code 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 province names to prevent sorting errors.
Don't omit the postal code
Missing postal codes cause significant delivery delays and may result in returned mail.
Shipping to Heard Island and McDonald Islands
What to know when sending packages
Standard domestic delivery within Heard Island and McDonald Islands 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.
Frequently Asked Questions
Common questions about Heard Island and McDonald Islands postal codes
What is the postal code format for Heard Island and McDonald Islands?
Heard Island and McDonald Islands uses 4 digits in the postal code. An example is 7151. Cold‑chain labels entering Heard Island and McDonald Islands print four-digit codes (7151) beside city; HM temperature hubs stage pallets strictly by.
How many provinces does Heard Island and McDonald Islands have?
Heard Island and McDonald Islands has 1 provinces with postal code coverage. Use our browse tool to explore them.
How do I find my postal code in Heard Island and McDonald Islands?
Use our free lookup or browse by province to find the exact postal code for your location.
Where do I write the postal code on a Heard Island and McDonald Islands address?
The postal code is written on the same line as or immediately after the province, before the country name when mailing internationally.