Japan Postal Codes
Japan Postal Code Lookup
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Interactive map of postal codes in Japan. Just click on the location you desire for a postal code/address for your mails destination.
How to find a Postal Code in Japan
Not having the right postal code for your postal mail would mean your letters will not reach their destination. Click the location on the map to find your needed postal code or choose the region in the links above for a list of the postal codes available in Japan.
Japan Postal Code Information
About Japan Postal Codes
Japan uses a postal code system to help deliver mail efficiently. Our database covers 113417 cities and towns and 146082 postal codes across 47 states/provinces. Use our lookup tool to find the correct postal code for any address in Japan.
How to Use
1. Enter a city name or address in the search box
2. Select from the autocomplete suggestions
3. Click "Show Postal Code" to see results
4. View the location on the interactive map
Frequently Asked Questions about Japan Postal Codes
How do I find a postal code in Japan?
To find a postal code in Japan, enter a city name or address in our search box above. Select your location from the autocomplete suggestions, and the postal code will be displayed alongside an interactive map showing the exact delivery area.
What is the format of a Japan postal code?
Japan uses a 7-digit numeric (3+4) postal code system. For example, a valid postal code in Japan would look like '100-0001'. The format consists of 7 digits in 3+4 format, where the first three digits represent the post office region.
Can I search for postal codes by city name in Japan?
Yes, you can search for postal codes by city name in Japan. Our database covers thousands of cities and towns across Japan, and our search box supports autocomplete for faster lookups.
Is this Japan postal code lookup free to use?
Yes, our Japan postal code lookup tool is completely free. You can search for unlimited postal codes across all cities in Japan without any registration or fees.
How accurate is the postal code data for Japan?
Our postal code data for Japan is sourced from reliable databases including GeoNames.org and OpenStreetMap. While we strive for accuracy, we recommend verifying critical postal codes with your local postal service for official purposes.
