What is the postal code format in Japan?

Japan postal codes follow the pattern AAA-AAAA (N = digit, A = letter).

How many postal codes does Japan have?

Our dataset covers 142,577 postal codes across 86,692 cities and localities in Japan.

JP · 142,577 codes · 86,692 places

Japan Postal codes

Every postal code in Japan, format AAA-AAAA (N = digit, A = letter). Look up a code or browse by city.

Look Up a Japan Postal code

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How postal codes work in Japan

Japan uses the format AAA-AAAA, where N is a digit and A is a letter. Our dataset covers 142,577 codes across 86,692 cities and localities, from the GeoNames open dataset, refreshed monthly.

Sending money or checking dates too? See SWIFT codes (Japan) and bank holidays (Japan).

Japan Postal codes

Look Up a Japan Postal code

Major Cities in Japan

How postal codes work in Japan