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Japan Postal Codes

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What is a Postal/Zip Code?

A postal code is a series of numeric or alphanumeric codes used for sorting mail. It usually has five to six characters that identify a geographic region and address.

Postal codes are also referred to as ZIP code, PIN code, Postcode, e.t.c., depending on the country. Irrespective of the name it is being called, they all represent the same thing and serve the same purpose.

The Universal Postal Union (UPU) is the international body that maintains global postal service, this body is responsible for overseeing the specific postal service entity of all countries around the world.

We have postal/zip codes for 47 provinces/states in Japan. You will find a table below with information about Japan postal codes for various provinces, you can further drill down by clicking on a province/state on this table and you will be taken to a page with all the zip/postal codes in this province/state.

Postal Code for Japan

Country Code State / Province State / Province Code
JP Yamanashi Ken 46
JP Yamaguchi Ken 45
JP Yamagata Ken 44
JP Wakayama Ken 43
JP Toyama Ken 42
JP Tottori Ken 41
JP Tokyo To 40
JP Tokushima Ken 39
JP Tochigi Ken 38
JP Shizuoka Ken 37
JP Shimane Ken 36
JP Shiga Ken 35
JP Saitama Ken 34
JP Saga Ken 33
JP Osaka Fu 32
JP Okinawa Ken 47
JP Okayama Ken 31
JP Oita Ken 30
JP Niigata Ken 29
JP Nara Ken 28
JP Nagasaki Ken 27
JP Nagano Ken 26
JP Miyazaki Ken 25
JP Miyagi Ken 24
JP Mie Ken 23
JP Kyoto Fu 22
JP Kumamoto Ken 21
JP Kochi Ken 20
JP Kanagawa Ken 19
JP Kagoshima Ken 18
JP Kagawa Ken 17
JP Iwate Ken 16
JP Ishikawa Ken 15
JP Ibaraki Ken 14
JP Hyogo Ken 13
JP Hokkaido 12
JP Hiroshima Ken 11
JP Gumma Ken 10
JP Gifu Ken 9
JP Fukushima Ken 8
JP Fukuoka Ken 7
JP Fukui Ken 6
JP Ehime Ken 5
JP Chiba Ken 4
JP Aomori Ken 3
JP Akita Ken 2
JP Aichi Ken 1

How To Know Your Postal Code

Many people make mistakes when filling their postal codes for their shipping address when shopping online, this can lead to a delay in the delivery of your parcels or a total loss of your package.

Postal/Zip codes are not just restricted to geographic location or states/provinces, most times, each local government area, town, areas and sometimes popular places such as universities have their own postal/zip codes.

So when you are required to enter your zip/postal code, make sure you don’t input just any value or the geographical postal code, instead provide the postal/zip code of your exact location or address.

Here is how to know your Zip/Postal Code in Japan:

  1. Visit findapostalcode.com
  2. Click on the search box and enter the name of your city or location in the search box.
  3. Look through the search result to find the most accurate location
  4. Copy the exact zip/postal code and fill it into your form

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