Postal codes in Oita Prefecture, Japan
Oita (大分県) has 18 municipalities in Japan Post's data. Choose a city, ward, town or village to see every postal code with the English address.
- Oita-shi 大分市
- Beppu-shi 別府市
- Yoshitomi-machi, Chikujo-gun 中津市
- Hita-shi 日田市
- Saiki-shi 佐伯市
- Usuki-shi 臼杵市
- Tsukumi-shi 津久見市
- Taketa-shi 竹田市
- Bungotakada-shi 豊後高田市
- Kitsuki-shi 杵築市
- Usa-shi 宇佐市
- Bungoono-shi 豊後大野市
- Yufu-shi 由布市
- Kunisaki-shi 国東市
- Himeshima-mura, Higashikunisaki-gun 東国東郡姫島村
- Hiji-machi, Hayami-gun 速見郡日出町
- Kokonoe-machi, Kusu-gun 玖珠郡九重町
- Kusu-machi, Kusu-gun 玖珠郡玖珠町
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.