Postal codes in Komi-machi, Minamisaku-gun, Nagano
長野県南佐久郡小海町 — 6 postal codes. General code: 384-1100. Local government code 20303.
Address example
1-2-3 Inako, Komi-machi, Minamisaku-gun, Nagano 384-1104, Japan
〒384-1104 長野県南佐久郡小海町稲子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 |
|---|---|
| 384-1100 | (any other address in this municipality) （下に掲載がない場合） Komi-machi, Minamisaku-gun, Nagano 384-1100, Japan |
| 384-1104 | Inako 稲子 Inako, Komi-machi, Minamisaku-gun, Nagano 384-1104, Japan |
| 384-1102 | Komi 小海 Komi, Komi-machi, Minamisaku-gun, Nagano 384-1102, Japan |
| 384-1105 | Chiyosato 千代里 Chiyosato, Komi-machi, Minamisaku-gun, Nagano 384-1105, Japan |
| 384-1103 | Toyosato 豊里 Toyosato, Komi-machi, Minamisaku-gun, Nagano 384-1103, Japan |
| 384-1101 | Higashimanagashi 東馬流 Higashimanagashi, Komi-machi, Minamisaku-gun, Nagano 384-1101, 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.