Postal codes in Shinto-mura, Kitagumma-gun, Gumma
群馬県北群馬郡榛東村 — 6 postal codes. General code: 370-3500. Local government code 10344.
Address example
1-2-3 Arai, Shinto-mura, Kitagumma-gun, Gumma 370-3503, Japan
〒370-3503 群馬県北群馬郡榛東村新井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 |
|---|---|
| 370-3500 | (any other address in this municipality) （下に掲載がない場合） Shinto-mura, Kitagumma-gun, Gumma 370-3500, Japan |
| 370-3503 | Arai 新井 Arai, Shinto-mura, Kitagumma-gun, Gumma 370-3503, Japan |
| 370-3505 | Uenohara 上野原 Uenohara, Shinto-mura, Kitagumma-gun, Gumma 370-3505, Japan |
| 370-3501 | Nagaoka 長岡 Nagaoka, Shinto-mura, Kitagumma-gun, Gumma 370-3501, Japan |
| 370-3504 | Hirobaba 広馬場 Hirobaba, Shinto-mura, Kitagumma-gun, Gumma 370-3504, Japan |
| 370-3502 | Yamakoda 山子田 Yamakoda, Shinto-mura, Kitagumma-gun, Gumma 370-3502, 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.