Postal codes in Chiyoda-machi, Ora-gun, Gumma
群馬県邑楽郡大泉町 — 20 postal codes. General code: 370-0500. Local government code 10524.
Address example
1-2-3 Asahi, Chiyoda-machi, Ora-gun, Gumma 370-0514, Japan
〒370-0514 群馬県邑楽郡大泉町朝日1-2-3
Replace 1-2-3 with the chome-ban-go (block and lot) number, and add the building and room number before it.
| Postal code | Town / English address |
|---|---|
| 370-0500 | (any other address in this municipality) （下に掲載がない場合） Chiyoda-machi, Ora-gun, Gumma 370-0500, Japan |
| 370-0514 | Asahi 朝日 Asahi, Chiyoda-machi, Ora-gun, Gumma 370-0514, Japan |
| 370-0531 | Izumi いずみ Izumi, Chiyoda-machi, Ora-gun, Gumma 370-0531, Japan |
| 370-0534 | Okayama 丘山 Okayama, Chiyoda-machi, Ora-gun, Gumma 370-0534, Japan |
| 370-0512 | Kamikoizumi 上小泉 Kamikoizumi, Chiyoda-machi, Ora-gun, Gumma 370-0512, Japan |
| 370-0511 | Kitakoizumi 北小泉 Kitakoizumi, Chiyoda-machi, Ora-gun, Gumma 370-0511, Japan |
| 370-0524 | Kokai 古海 Kokai, Chiyoda-machi, Ora-gun, Gumma 370-0524, Japan |
| 370-0532 | Sakada 坂田 Sakada, Chiyoda-machi, Ora-gun, Gumma 370-0532, Japan |
| 370-0515 | Shimokoizumi 下小泉 Shimokoizumi, Chiyoda-machi, Ora-gun, Gumma 370-0515, Japan |
| 370-0518 | Shironochi 城之内 Shironochi, Chiyoda-machi, Ora-gun, Gumma 370-0518, Japan |
| 370-0521 | Sumiyoshi 住吉 Sumiyoshi, Chiyoda-machi, Ora-gun, Gumma 370-0521, Japan |
| 370-0533 | Sengoku 仙石 Sengoku, Chiyoda-machi, Ora-gun, Gumma 370-0533, Japan |
| 370-0516 | Chuo 中央 Chuo, Chiyoda-machi, Ora-gun, Gumma 370-0516, Japan |
| 370-0517 | Nishikoizumi 西小泉 Nishikoizumi, Chiyoda-machi, Ora-gun, Gumma 370-0517, Japan |
| 370-0513 | Higashikoizumi 東小泉 Higashikoizumi, Chiyoda-machi, Ora-gun, Gumma 370-0513, Japan |
| 370-0525 | Hinode 日の出 Hinode, Chiyoda-machi, Ora-gun, Gumma 370-0525, Japan |
| 370-0522 | Fuji 富士 Fuji, Chiyoda-machi, Ora-gun, Gumma 370-0522, Japan |
| 370-0536 | Furukori 古氷 Furukori, Chiyoda-machi, Ora-gun, Gumma 370-0536, Japan |
| 370-0523 | Yoshida 吉田 Yoshida, Chiyoda-machi, Ora-gun, Gumma 370-0523, Japan |
| 370-0535 | Yorikido 寄木戸 Yorikido, Chiyoda-machi, Ora-gun, Gumma 370-0535, Japan |
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.