Postal codes in Kiso-machi, Kiso-gun, Nagano
長野県木曽郡木曽町 — 8 postal codes. General code: 397-0000. Local government code 20432.
Address example
1-2-3 Kaidakogen Suekawa, Kiso-machi, Kiso-gun, Nagano 397-0301, Japan
〒397-0301 長野県木曽郡木曽町開田高原末川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 |
|---|---|
| 397-0000 | (any other address in this municipality) （下に掲載がない場合） Kiso-machi, Kiso-gun, Nagano 397-0000, Japan |
| 397-0301 | Kaidakogen Suekawa 開田高原末川 Kaidakogen Suekawa, Kiso-machi, Kiso-gun, Nagano 397-0301, Japan |
| 397-0302 | Kaidakogen Nishino 開田高原西野 Kaidakogen Nishino, Kiso-machi, Kiso-gun, Nagano 397-0302, Japan |
| 397-0002 | Shinkai 新開 Shinkai, Kiso-machi, Kiso-gun, Nagano 397-0002, Japan |
| 397-0003 | Shinkaifuku 新開福 Shinkaifuku, Kiso-machi, Kiso-gun, Nagano 397-0003, Japan |
| 399-6101 | Hiyoshi 日義 Hiyoshi, Kiso-machi, Kiso-gun, Nagano 399-6101, Japan |
| 397-0001 | Fukushima 福島 Fukushima, Kiso-machi, Kiso-gun, Nagano 397-0001, Japan |
| 397-0101 | Mitake 三岳 Mitake, Kiso-machi, Kiso-gun, Nagano 397-0101, 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.