Postal codes in Iwate Prefecture, Japan
Iwate (岩手県) has 33 municipalities in Japan Post's data. Choose a city, ward, town or village to see every postal code with the English address.
- Morioka-shi 盛岡市
- Miyako-shi 宮古市
- Ofunato-shi 大船渡市
- Hanamaki-shi 花巻市
- Kitakami-shi 北上市
- Kuji-shi 久慈市
- Tono-shi 遠野市
- Ichinoseki-shi 一関市
- Rikuzentakata-shi 陸前高田市
- Kamaishi-shi 釜石市
- Ninohe-shi 二戸市
- Hachimantai-shi 八幡平市
- Oshu-shi 奥州市
- Takizawa-shi 滝沢市
- Shizukuishi-cho, Iwate-gun 岩手郡雫石町
- Kuzumaki-machi, Iwate-gun 岩手郡葛巻町
- Iwate-machi, Iwate-gun 岩手郡岩手町
- Shiwa-cho, Shiwa-gun 紫波郡紫波町
- Yahaba-cho, Shiwa-gun 紫波郡矢巾町
- Nishiwaga-machi, Waga-gun 和賀郡西和賀町
- Kanegasaki-cho, Isawa-gun 胆沢郡金ケ崎町
- Hiraizumi-cho, Nishiiwai-gun 西磐井郡平泉町
- Sumita-cho, Kesen-gun 気仙郡住田町
- Otsuchi-cho, Kamihei-gun 上閉伊郡大槌町
- Yamada-machi, Shimohei-gun 下閉伊郡山田町
- Iwaizumi-cho, Shimohei-gun 下閉伊郡岩泉町
- Tanohata-mura, Shimohei-gun 下閉伊郡田野畑村
- Fudai-mura, Shimohei-gun 下閉伊郡普代村
- Karumai-machi, Kunohe-gun 九戸郡軽米町
- Noda-mura, Kunohe-gun 九戸郡野田村
- Kunohe-mura, Kunohe-gun 九戸郡九戸村
- Hirono-cho, Kunohe-gun 九戸郡洋野町
- Ichinohe-machi, Ninohe-gun 二戸郡一戸町
Search all of Japan on the postal code lookup. Municipalities are listed in the order of Japan's local government codes; designated cities are split into wards (-ku).
Source: Japan Post postal code data (UTF-8 edition, updated Aug 31, 2026) and romanized edition (KEN_ALL_ROME, June 2025). Japan Post does not claim copyright on postal code data and allows free redistribution. Romaji follows Japan Post (long vowels are not marked). * = romanized by this site from the kana reading because the town is not yet in the romanized edition.