Postal codes A postal code (also known locally in various English-speaking countries throughout the world as a postcode, post code, PIN or ZIP Code) is a series of letters or digits or both, sometimes including spaces or punctuation, included in a postal ...

in Japan are 7-digit numeric codes using the format NNN-NNNN, where N is a digit. The first two digits refer to one of the 47

prefectures A prefecture (from the Latin ''Praefectura'') is an administrative jurisdiction traditionally governed by an appointed prefect. This can be a regional or local government subdivision in various countries, or a subdivision in certain international ...

(for example, 40 for the

Yamanashi Prefecture is a prefecture of Japan located in the Chūbu region of Honshu. Yamanashi Prefecture has a population of 817,192 (1 January 2019) and has a geographic area of 4,465 km2 (1,724 sq mi). Yamanashi Prefecture borders Saitama Prefecture to the n ...

), the next digit for one of a set of adjacent cities in the prefecture (408 for Hokuto, Yamanashi) the next two for a neighborhood and the last for a town or other subdivision (408-0301 to 408-0307 for the Mukawa-chō neighborhood in Hokuto).

External links

Japan Postal Code Lookup
globefeed.com
JapanPostalCode.netThe Complete List of Japan Zip Codes
Japan Postal system of Japan {{Japan-gov-stub