Postal codes in Komagane-shi, Nagano
長野県駒ヶ根市 — 19 postal codes. General code: 399-4100. Local government code 20210.
Address example
1-2-3 Akazumachi, Komagane-shi, Nagano 399-4113, Japan
〒399-4113 長野県駒ヶ根市赤須町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 |
|---|---|
| 399-4100 | (any other address in this municipality) （下に掲載がない場合） Komagane-shi, Nagano 399-4100, Japan |
| 399-4113 | Akazumachi 赤須町 Akazumachi, Komagane-shi, Nagano 399-4113, Japan |
| 399-4105 | Akazuhigashi 赤須東 Akazuhigashi, Komagane-shi, Nagano 399-4105, Japan |
| 399-4117 | Akaho 赤穂 Akaho, Komagane-shi, Nagano 399-4117, Japan |
| 399-4102 | Iizaka 飯坂 Iizaka, Komagane-shi, Nagano 399-4102, Japan |
| 399-4115 | Uwabu Sakaemachi 上穂栄町 Uwabu Sakaemachi, Komagane-shi, Nagano 399-4115, Japan |
| 399-4114 | Uwabu Minami 上穂南 Uwabu Minami, Komagane-shi, Nagano 399-4114, Japan |
| 399-4116 | Uwabu Kita 上穂北 Uwabu Kita, Komagane-shi, Nagano 399-4116, Japan |
| 399-4111 | Kitamachi 北町 Kitamachi, Komagane-shi, Nagano 399-4111, Japan |
| 399-4104 | Kyozuka 経塚 Kyozuka, Komagane-shi, Nagano 399-4104, Japan |
| 399-4108 | Shimoichiba 下市場 Shimoichiba, Komagane-shi, Nagano 399-4108, Japan |
| 399-4232 | Shimodaira 下平 ２０７０〜２１１９、２３０９〜２３１１、２４１９、２４２１〜２４２６、２４３３〜２４５０ Shimodaira, Komagane-shi, Nagano 399-4232, Japan |
| 399-4101 | Shimodaira 下平 その他 Shimodaira, Komagane-shi, Nagano 399-4101, Japan |
| 399-4112 | Chuo 中央 Chuo, Komagane-shi, Nagano 399-4112, Japan |
| 399-4231 | Nakazawa 中沢 Nakazawa, Komagane-shi, Nagano 399-4231, Japan |
| 399-4103 | Nashinoki 梨の木 Nashinoki, Komagane-shi, Nagano 399-4103, Japan |
| 399-4321 | Higashiina 東伊那 Higashiina, Komagane-shi, Nagano 399-4321, Japan |
| 399-4106 | Higashimachi 東町 Higashimachi, Komagane-shi, Nagano 399-4106, Japan |
| 399-4107 | Minamida 南田 Minamida, Komagane-shi, Nagano 399-4107, 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.