ISO 3166-2:JP is an ISO standard which defines geocodes: it is the subset of ISO 3166-2 which applies to Japan. It covers 47 prefectures. The first part is the ISO 3166-1 code JP for Japan, the second part is two-digit-numeric.
The names are listed in accordance with Kunrei-shiki (ISO 3602) Romanization system, followed by the Hepburn spelling (if different) and the kanji in brackets.
| Code | Name |
|---|---|
JP-01 |
 Hokkaidô (Hokkaidō) (北海道) |
JP-02 |
 Aomori (青森) |
JP-03 |
 Iwate (岩手) |
JP-04 |
 Miyagi (宮城) |
JP-05 |
 Akita (秋田) |
JP-06 |
 Yamagata (山形) |
JP-07 |
 Hukusima (Fukushima) (福島) |
JP-08 |
 Ibaraki (茨城) |
JP-09 |
 Totigi (Tochigi) (栃木) |
JP-10 |
 Gunma (群馬) |
JP-11 |
 Saitama (埼玉) |
JP-12 |
 Tiba (Chiba) (千葉) |
JP-13 |
 Tôkyô (Tōkyō) (東京) |
JP-14 |
 Kanagawa (神奈川) |
JP-15 |
 Niigata (新潟) |
JP-16 |
 Toyama (富山) |
JP-17 |
 Isikawa (Ishikawa) (石川) |
JP-18 |
 Hukui (Fukui) (福井) |
JP-19 |
 Yamanasi (Yamanashi) (山梨) |
JP-20 |
 Nagano (長野) |
JP-21 |
 Gihu (Gifu) (岐阜) |
JP-22 |
 Sizuoka (Shizuoka) (静岡) |
JP-23 |
 Aiti (Aichi) (愛知) |
JP-24 |
 Mie (三重) |
JP-25 |
 Siga (Shiga) (滋賀) |
JP-26 |
 Kyôto (Kyōto) (京都) |
JP-27 |
 Ôsaka (Ōsaka) (大阪) |
JP-28 |
 Hyôgo (Hyōgo) (兵庫) |
JP-29 |
 Nara (奈良) |
JP-30 |
 Wakayama (和歌山) |
JP-31 |
 Tottori (鳥取) |
JP-32 |
 Simane (Shimane) (島根) |
JP-33 |
 Okayama (岡山) |
JP-34 |
 Hirosima (Hiroshima) (広島) |
JP-35 |
 Yamaguti (Yamaguchi) (山口) |
JP-36 |
 Tokusima (Tokushima) (徳島) |
JP-37 |
 Kagawa (香川) |
JP-38 |
 Ehime (愛媛) |
JP-39 |
 Kôti (Kōchi) (高知) |
JP-40 |
 Hukuoka (Fukuoka) (福岡) |
JP-41 |
 Saga (佐賀) |
JP-42 |
 Nagasaki (長崎) |
JP-43 |
 Kumamoto (熊本) |
JP-44 |
 Ôita (Ōita) (大分) |
JP-45 |
 Miyazaki (宮崎) |
JP-46 |
 Kagosima (Kagoshima) (鹿児島) |
JP-47 |
 Okinawa (沖縄) |