COUNTRYJP
CODES146,883
REGIONS47
Japan has 146,883 postal codes (ZIP codes) across 47 regions. Each code maps to a place name, administrative region and coordinates. Search any Japan postal code below, or fetch it from the free API.
Postal codes
146,883
Regions
47
Country
🇯🇵Japan
Search Japan postal codes
Browse by region (47)
A sample postal code from each region — open one for its place, coordinates and API call.
Aichi Ken· 431-4121Akita Ken· 010-0000Aomori Ken· 018-5501Chiba Ken· 100-8677Ehime Ken· 790-0001Fukui Ken· 910-0001Fukuoka Ken· 800-0000Fukushima Ken· 960-0000Gifu Ken· 500-0000Gumma Ken· 370-0000Hiroshima Ken· 720-0001Hokkaido· 001-0000Hyogo Ken· 539-8794Ibaraki Ken· 300-0000Ishikawa Ken· 920-0000Iwate Ken· 020-0000Kagawa Ken· 760-0000Kagoshima Ken· 890-0000Kanagawa Ken· 210-0000Kochi Ken· 780-0000Kumamoto Ken· 860-0001Kyoto Fu· 520-0461Mie Ken· 498-0000Miyagi Ken· 980-0000Miyazaki Ken· 880-0000Nagano Ken· 380-0801Nagasaki Ken· 811-5100Nara Ken· 630-0000Niigata Ken· 389-2261Oita Ken· 839-1421Okayama Ken· 700-0000Okinawa Ken· 900-0000Osaka Fu· 530-0000Saga Ken· 840-0001Saitama Ken· 100-8620Shiga Ken· 520-0000Shimane Ken· 684-0100Shizuoka Ken· 410-0000Tochigi Ken· 311-4411Tokushima Ken· 770-0000Tokyo To· 100-0000Tottori Ken· 680-0000Toyama Ken· 930-0001Wakayama Ken· 640-0000Yamagata Ken· 990-0000Yamaguchi Ken· 740-0000Yamanashi Ken· 400-0000
Frequently asked questions about Japan postal codes
How many postal codes does Japan have?
Japan has 146,883 postal codes across 47 regions in our dataset.
How do I look up a Japan postal code?
Use the search box above to find any Japan postal code by code or place name, or call the free API — no key required.
What does a Japan postal code look like?
For example, 431-4121 is a valid postal code in Japan. Open it to see its place, region and coordinates.
Query Japan postal codes from the API
Free REST API, no key required. 146,883 Japan codes, each resolvable in one request.