Postal codes in Niigata Prefecture, Japan
Niigata (新潟県) has 37 municipalities in Japan Post's data. Choose a city, ward, town or village to see every postal code with the English address.
- Kita-ku, Niigata-shi 新潟市北区
- Kita-ku, Niigata-shi 新潟市東区
- Kita-ku, Niigata-shi 新潟市中央区
- Kita-ku, Niigata-shi 新潟市江南区
- Akiha-ku, Niigata-shi 新潟市秋葉区
- Minami-ku, Niigata-shi 新潟市南区
- Kita-ku, Niigata-shi 新潟市西区
- Kita-ku, Niigata-shi 新潟市西蒲区
- Nagaoka-shi 長岡市
- Sanjo-shi 三条市
- Kashiwazaki-shi 柏崎市
- Shibata-shi 新発田市
- Ojiya-shi 小千谷市
- Kamo-shi 加茂市
- Tokamachi-shi 十日町市
- Mitsuke-shi 見附市
- Murakami-shi 村上市
- Tsubame-shi 燕市
- Itoigawa-shi 糸魚川市
- Myoko-shi 妙高市
- Gosen-shi 五泉市
- Joetsu-shi 上越市
- Agano-shi 阿賀野市
- Sado-shi 佐渡市
- Uonuma-shi 魚沼市
- Minamiuonuma-shi 南魚沼市
- Tainai-shi 胎内市
- Seiro-machi, Kitakambara-gun 北蒲原郡聖籠町
- Yahiko-mura, Nishikambara-gun 西蒲原郡弥彦村
- Tagami-machi, Minamikambara-gun 南蒲原郡田上町
- Aga-machi, Higashikambara-gun 東蒲原郡阿賀町
- Izumozaki-machi, Santo-gun 三島郡出雲崎町
- Yuzawa-machi, Minamiuonuma-gun 南魚沼郡湯沢町
- Tsunan-machi, Nakauonuma-gun 中魚沼郡津南町
- Kariwa-mura, Kariwa-gun 刈羽郡刈羽村
- Sekikawa-mura, Iwafune-gun 岩船郡関川村
- Awashimaura-mura, Iwafune-gun 岩船郡粟島浦村
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.