Postal codes in Ibaraki Prefecture, Japan
Ibaraki (茨城県) has 44 municipalities in Japan Post's data. Choose a city, ward, town or village to see every postal code with the English address.
- Mito-shi 水戸市
- Hitachi-shi 日立市
- Tsuchiura-shi 土浦市
- Koga-shi 古河市
- Ishioka-shi 石岡市
- Yuki-shi 結城市
- Ryugasaki-shi 龍ケ崎市
- Shimotsuma-shi 下妻市
- Joso-shi 常総市
- Hitachiota-shi 常陸太田市
- Takahagi-shi 高萩市
- Kitaibaraki-shi 北茨城市
- Kasama-shi 笠間市
- Toride-shi 取手市
- Ushiku-shi 牛久市
- Tsukuba-shi つくば市
- Hitachinaka-shi ひたちなか市
- Kashima-shi 鹿嶋市
- Itako-shi 潮来市
- Moriya-shi 守谷市
- Hitachiomiya-shi 常陸大宮市
- Naka-shi 那珂市
- Chikusei-shi 筑西市
- Bando-shi 坂東市
- Inashiki-shi 稲敷市
- Ishioka-shi かすみがうら市
- Sakuragawa-shi 桜川市
- Kamisu-shi 神栖市
- Namegata-shi 行方市
- Hokota-shi 鉾田市
- Tsukubamirai-shi つくばみらい市
- Omitama-shi 小美玉市
- Ibaraki-machi, Higashiibaraki-gun 東茨城郡茨城町
- Oarai-machi, Higashiibaraki-gun 東茨城郡大洗町
- Shirosato-machi, Higashiibaraki-gun 東茨城郡城里町
- Tokai-mura, Naka-gun 那珂郡東海村
- Daigo-machi, Kuji-gun 久慈郡大子町
- Miho-mura, Inashiki-gun 稲敷郡美浦村
- Ami-machi, Inashiki-gun 稲敷郡阿見町
- Kawachi-machi, Inashiki-gun 稲敷郡河内町
- Yachiyo-machi, Yuki-gun 結城郡八千代町
- Goka-machi, Sashima-gun 猿島郡五霞町
- Sakai-machi, Sashima-gun 猿島郡境町
- Tone-machi, Kitasoma-gun 北相馬郡利根町
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.