Postal codes in Showa-mura, Tone-gun, Gumma
群馬県利根郡昭和村 — 8 postal codes. General code: 379-1200. Local government code 10448.
Address example
1-2-3 Akagihara, Showa-mura, Tone-gun, Gumma 379-1207, Japan
〒379-1207 群馬県利根郡昭和村赤城原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 |
|---|---|
| 379-1200 | (any other address in this municipality) （下に掲載がない場合） Showa-mura, Tone-gun, Gumma 379-1200, Japan |
| 379-1207 | Akagihara 赤城原 Akagihara, Showa-mura, Tone-gun, Gumma 379-1207, Japan |
| 379-1203 | Itoi 糸井 Itoi, Showa-mura, Tone-gun, Gumma 379-1203, Japan |
| 379-1201 | Ogose 生越 Ogose, Showa-mura, Tone-gun, Gumma 379-1201, Japan |
| 379-1202 | Kainose 貝野瀬 Kainose, Showa-mura, Tone-gun, Gumma 379-1202, Japan |
| 379-1205 | Kawahake 川額 Kawahake, Showa-mura, Tone-gun, Gumma 379-1205, Japan |
| 379-1206 | Tochikubo 橡久保 Tochikubo, Showa-mura, Tone-gun, Gumma 379-1206, Japan |
| 379-1204 | Morishita 森下 Morishita, Showa-mura, Tone-gun, Gumma 379-1204, 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.