Postal codes in Okayama Prefecture, Japan
Okayama (岡山県) has 30 municipalities in Japan Post's data. Choose a city, ward, town or village to see every postal code with the English address.
- Kita-ku, Okayama-shi 岡山市北区
- Kita-ku, Okayama-shi 岡山市中区
- Kita-ku, Okayama-shi 岡山市東区
- Kita-ku, Okayama-shi 岡山市南区
- Kurashiki-shi 倉敷市
- Tsuyama-shi 津山市
- Tamano-shi 玉野市
- Kasaoka-shi 笠岡市
- Ibara-shi 井原市
- Soja-shi 総社市
- Takahashi-shi 高梁市
- Niimi-shi 新見市
- Bizen-shi 備前市
- Setochi-shi 瀬戸内市
- Akaiwa-shi 赤磐市
- Maniwa-shi 真庭市
- Mimasaka-shi 美作市
- Asakuchi-shi 浅口市
- Wake-cho, Wake-gun 和気郡和気町
- Hayashima-cho, Tsukubo-gun 都窪郡早島町
- Satosho-cho, Asakuchi-gun 浅口郡里庄町
- Yakage-cho, Oda-gun 小田郡矢掛町
- Shinjo-son, Maniwa-gun 真庭郡新庄村
- Kagamino-cho, Tomata-gun 苫田郡鏡野町
- Shoo-cho, Katsuta-gun 勝田郡勝央町
- Nagi-cho, Katsuta-gun 勝田郡奈義町
- Nishiawakura-son, Aida-gun 英田郡西粟倉村
- Kumenan-cho, Kume-gun 久米郡久米南町
- Misaki-cho, Kume-gun 久米郡美咲町
- Kibichuo-cho, Kaga-gun 加賀郡吉備中央町
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.