Postal code

Japan postal codes

Japan postal codes have the format ###-####, for example 154-0023. zipcodestack has 147,844 postal codes for Japan in 47 prefectures.

Format
###-####
Example
154-0023
Codes in our database
147,844
Local name
郡便η•ͺ号 (yΕ«bin bangō)

Japan postal code format

Pattern###-#### (# digit, @ letter)
Examples154-0023, 350-1106, 951-8073, 112-0001, 208-0032, 231-0012
Regex^(?:\d{3}-?\d{4})$
Official lookupwww.post.japanpost.jp

Format and regex from Google's address metadata (libaddressinput). The regex checks the shape of a code, not whether it exists.

Postal Codes by prefecture

PrefectureRangeCodes
Aichi Ken431-4121 – 498-85058,755
Akita Ken010-0000 – 019-27422,298
Aomori Ken018-5501 – 039-53462,237
Chiba Ken100-8677 – 299-55064,219
Ehime Ken790-0001 – 799-37932,036
Fukui Ken910-0001 – 922-06792,413
Fukuoka Ken800-0000 – 871-85854,137
Fukushima Ken960-0000 – 979-32043,948
Gifu Ken500-0000 – 509-92983,764
Gumma Ken370-0000 – 389-01211,779
Hiroshima Ken720-0001 – 739-86162,619
Hokkaido001-0000 – 099-65929,205
Hyogo Ken539-8794 – 679-56545,619
Ibaraki Ken300-0000 – 319-37053,154
Ishikawa Ken920-0000 – 939-01712,912
Iwate Ken020-0000 – 029-57032,107
Kagawa Ken760-0000 – 769-2992964
Kagoshima Ken890-0000 – 899-86921,703
Kanagawa Ken210-0000 – 259-13923,106
Kochi Ken780-0000 – 789-19921,837
Kumamoto Ken860-0001 – 869-64052,139
Kyoto Fu520-0461 – 629-35796,680
Mie Ken498-0000 – 647-13252,763
Miyagi Ken980-0000 – 989-69413,266
Miyazaki Ken880-0000 – 889-46021,042
Nagano Ken380-0801 – 949-83212,254
Nagasaki Ken811-5100 – 859-64922,108
Nara Ken630-0000 – 648-03922,074
Niigata Ken389-2261 – 959-46365,954
Oita Ken839-1421 – 879-78851,996
Okayama Ken700-0000 – 719-38142,567
Okinawa Ken900-0000 – 907-85031,047
Osaka Fu530-0000 – 630-02724,693
Saga Ken840-0001 – 849-8588988
Saitama Ken100-8620 – 370-15073,643
Shiga Ken520-0000 – 529-18922,025
Shimane Ken684-0100 – 699-56951,326
Shizuoka Ken410-0000 – 439-86513,636
Tochigi Ken311-4411 – 349-12212,058
Tokushima Ken770-0000 – 779-54531,140
Tokyo To100-0000 – 370-86868,747
Tottori Ken680-0000 – 689-56731,485
Toyama Ken930-0001 – 939-86503,326
Wakayama Ken640-0000 – 649-72161,733
Yamagata Ken990-0000 – 999-85312,093
Yamaguchi Ken740-0000 – 759-66151,893
Yamanashi Ken400-0000 – 409-38981,092

Postal Codes of the largest cities

Tokyo 100-0000 + 8828 more Yokohama 210-0000 + 1314 more Osaka 530-0000 + 2480 more Nagoya 450-0001 + 2878 more Sapporo 001-0000 + 1057 more Fukuoka 810-0000 + 824 more Kawasaki 105-8711 + 942 more Kobe 650-0000 + 650 more Kyoto 520-0004 + 4497 more Saitama 174-8741 + 714 more Hiroshima 730-0000 + 662 more Sendai 980-0000 + 479 more Chiba 100-8677 + 419 more Kitakyushu 800-0042 + 533 more Sakai 545-0000 + 616 more Niigata 950-0000 + 602 more Hamamatsu 430-0801 + 402 more Ōta 105-8711 + 802 more Kumamoto 860-0001 + 486 more Aihara 192-0000 + 264 more Okayama 700-0000 + 401 more Sagamihara 193-0844 + 62 more Shizuoka 420-0001 + 474 more Kawaguchi 114-0000 + 489 more Kagoshima 890-0000 + 251 more Hachiōji 191-0000 + 274 more Kotō 860-0001 + 400 more Himeji 670-0000 + 368 more Utsunomiya 320-0001 + 255 more Matsuyama 790-0001 + 364 more

Japan postal codes: FAQ

What is the postal code format in Japan?

Japan postal codes follow the pattern ###-#### (# = digit, @ = letter). Examples: 154-0023, 350-1106, 951-8073, 112-0001, 208-0032, 231-0012.

What regex validates Japan postal codes?

^(?:\d{3}-?\d{4})$ matches the official format (from Google's address metadata). It checks the shape only; whether a code exists needs a lookup in a postal code database such as the zipcodestack API.

What is the postal code of Tokyo?

Tokyo has 8829 postal codes, starting with 100-0000. The right one depends on the street; see the full list for Tokyo.

How many postal codes are there in Japan?

The zipcodestack database contains 147,844 postal codes for Japan, each with place name, region and coordinates.

Postal code API

Look up Japan postal codes by API

zipcodestack looks up, validates and searches postal codes in 149 countries: city, state, coordinates, distances and radius search, as JSON.

/v1/search documentation International postal code API All documentation

300 free requests every month. No credit card required.

GET https://api.zipcodestack.com/v1/search?codes=154-0023&country=jp

{
  "results": {
    "154-0023": [{
      "postal_code": "154-0023",
      "country_code": "JP",
      "city": "…",
      "state": "…",
      "latitude": …,
      "longitude": …
    }]
  }
}

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