Japan Postal codes
日本
149.6K
7 chars
47
4
Interactive Map
Explore Japan's 47 prefectures with our interactive map.
Find Post Offices
Locate post offices across Japan. Find addresses and contact information.
Understanding Japan Postal codes
E‑commerce flows to Japan require accurate seven-digit postal data (0600000); without it, JP partners may hold parcels or downgrade service until.
Key Characteristics
Code Type
Numeric
Administered By
National Postal Service
Coverage
Nationwide
Postal code format breakdown
Japan uses numeric postal codes with 7 digits (example: 0600000). In our directory, these codes are organized from prefectures down to neighborhoods.
Visual Structure
E‑commerce flows to Japan require accurate seven-digit postal data (0600000); without it, JP partners may hold parcels or downgrade service until.
Administrative Hierarchy
How Japan organises areas for postal codes
Prefecture
47 totalMunicipality
1.2K totalDistrict
1.9K totalNeighborhood
146.4K totalPrefectures Directory
Browse all 47 top-level divisions
Addressing Mail to Japan
Step-by-step guide for correct address formatting
Sample Address Block
Name; 12 Tokyo Tower; Shibakoen 23; Minato Tokyo 876-4512; JAPAN
Delivery Best Practices
Tips for successful mail and package delivery
Always verify the postal code
Verify your postal code is complete (7 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 prefecture 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 Japan
What to know when sending packages
Standard domestic delivery within Japan typically takes 2–7 business days. International packages require complete address information including the postal code. Always include the correct 7-character code for fastest routing.
Frequently Asked Questions
Common questions about Japan postal codes
What is the postal code format for Japan?
Japan uses 7 digits in the postal code. An example is 0600000. E‑commerce flows to Japan require accurate seven-digit postal data (0600000); without it, JP partners may hold parcels or downgrade service until.
How many prefectures does Japan have?
Japan has 47 prefectures with postal code coverage. Use our browse tool to explore them.
How do I find my postal code in Japan?
Use our free lookup or browse by prefecture to find the exact postal code for your location.
Where do I write the postal code on a Japan address?
The postal code is written on the same line as or immediately after the prefecture, before the country name when mailing internationally.