Japan — Country Data API
ISO-2: JP ISO-3: JPN Asia JPY — Japanese Yen
Japan's dataset includes all 47 prefectures, thousands of cities and towns, and comprehensive 7-digit postal code coverage. Query Japanese geographic data through CountryDataAPI using ISO code 'JP'.
Country overview
Capital
Tokyo
Currency
JPY
Japanese Yen
Languages
Japanese
Timezone
UTC+9
What data is available for Japan?
The following geographic datasets are available for Japan via the REST API.
States & Provinces
All administrative subdivisions for Japan
Cities
All cities and localities in Japan
Zip / Postal Codes
Complete postal code dataset for Japan
API Request Example
Fetch Japan data using the ISO code JP as the query parameter.
Get country by code
GET https://api.countrydataapi.com/v1/countries/by-code?code=JPAuthorization: Bearer YOUR_API_KEY
cURL example
curl "https://api.countrydataapi.com/v1/states/by-country?country=JP" -H "Authorization: Bearer YOUR_KEY"More Countries in Asia
Access Japan Data via API
Integrate Japan geographic data into your application today. Countries, states, cities, and zip codes in one API.

