Postal codes in Nammoku-mura, Kanra-gun, Gumma
群馬県甘楽郡南牧村 — 13 postal codes. General code: 370-2800. Local government code 10383.
Address example
1-2-3 Iwado, Nammoku-mura, Kanra-gun, Gumma 370-2804, Japan
〒370-2804 群馬県甘楽郡南牧村磐戸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 |
|---|---|
| 370-2800 | (any other address in this municipality) （下に掲載がない場合） Nammoku-mura, Kanra-gun, Gumma 370-2800, Japan |
| 370-2804 | Iwado 磐戸 Iwado, Nammoku-mura, Kanra-gun, Gumma 370-2804, Japan |
| 370-2801 | Oshiozawa 大塩沢 Oshiozawa, Nammoku-mura, Kanra-gun, Gumma 370-2801, Japan |
| 370-2812 | Onita 大仁田 Onita, Nammoku-mura, Kanra-gun, Gumma 370-2812, Japan |
| 370-2806 | Ohinata 大日向 Ohinata, Nammoku-mura, Kanra-gun, Gumma 370-2806, Japan |
| 370-2802 | Ozawa 小沢 Ozawa, Nammoku-mura, Kanra-gun, Gumma 370-2802, Japan |
| 370-2815 | Kumakura 熊倉 Kumakura, Nammoku-mura, Kanra-gun, Gumma 370-2815, Japan |
| 370-2803 | Chihara 千原 Chihara, Nammoku-mura, Kanra-gun, Gumma 370-2803, Japan |
| 370-2813 | Tozawa 砥沢 Tozawa, Nammoku-mura, Kanra-gun, Gumma 370-2813, Japan |
| 370-2814 | Hazawa 羽沢 Hazawa, Nammoku-mura, Kanra-gun, Gumma 370-2814, Japan |
| 370-2805 | Hisawa 檜沢 Hisawa, Nammoku-mura, Kanra-gun, Gumma 370-2805, Japan |
| 370-2816 | Hoshio 星尾 Hoshio, Nammoku-mura, Kanra-gun, Gumma 370-2816, Japan |
| 370-2811 | Mukuruma 六車 Mukuruma, Nammoku-mura, Kanra-gun, Gumma 370-2811, 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.