Postal codes in Iizuna-machi, Kamiminochi-gun, Nagano
長野県上水内郡飯綱町 — 19 postal codes. General code: 389-1200. Local government code 20590.
Address example
1-2-3 Akashio, Iizuna-machi, Kamiminochi-gun, Nagano 389-1203, Japan
〒389-1203 長野県上水内郡飯綱町赤塩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 |
|---|---|
| 389-1200 | (any other address in this municipality) （下に掲載がない場合） Iizuna-machi, Kamiminochi-gun, Nagano 389-1200, Japan |
| 389-1203 | Akashio 赤塩 Akashio, Iizuna-machi, Kamiminochi-gun, Nagano 389-1203, Japan |
| 389-1201 | Imogawa 芋川 Imogawa, Iizuna-machi, Kamiminochi-gun, Nagano 389-1201, Japan |
| 389-1226 | Kawakami 川上 Kawakami, Iizuna-machi, Kamiminochi-gun, Nagano 389-1226, Japan |
| 389-1205 | Kawatani 川谷 Kawatani, Iizuna-machi, Kamiminochi-gun, Nagano 389-1205, Japan |
| 389-1204 | Kurai 倉井 Kurai, Iizuna-machi, Kamiminochi-gun, Nagano 389-1204, Japan |
| 389-1214 | Kurokawa 黒川 Kurokawa, Iizuna-machi, Kamiminochi-gun, Nagano 389-1214, Japan |
| 389-1227 | Kosaka 高坂 Kosaka, Iizuna-machi, Kamiminochi-gun, Nagano 389-1227, Japan |
| 389-1215 | Kodama 小玉 Kodama, Iizuna-machi, Kamiminochi-gun, Nagano 389-1215, Japan |
| 389-1225 | Sakaguchi 坂口 Sakaguchi, Iizuna-machi, Kamiminochi-gun, Nagano 389-1225, Japan |
| 389-1224 | Jizokubo 地蔵久保 Jizokubo, Iizuna-machi, Kamiminochi-gun, Nagano 389-1224, Japan |
| 389-1223 | Sodenoyama 袖之山 Sodenoyama, Iizuna-machi, Kamiminochi-gun, Nagano 389-1223, Japan |
| 389-1212 | Toyono 豊野 Toyono, Iizuna-machi, Kamiminochi-gun, Nagano 389-1212, Japan |
| 389-1202 | Higashikashiwabara 東柏原 Higashikashiwabara, Iizuna-machi, Kamiminochi-gun, Nagano 389-1202, Japan |
| 389-1213 | Hiraide 平出 Hiraide, Iizuna-machi, Kamiminochi-gun, Nagano 389-1213, Japan |
| 389-1206 | Fukoji 普光寺 Fukoji, Iizuna-machi, Kamiminochi-gun, Nagano 389-1206, Japan |
| 389-1221 | Furumachi 古町 Furumachi, Iizuna-machi, Kamiminochi-gun, Nagano 389-1221, Japan |
| 389-1211 | Mure 牟礼 Mure, Iizuna-machi, Kamiminochi-gun, Nagano 389-1211, Japan |
| 389-1222 | Yanagisato 柳里 Yanagisato, Iizuna-machi, Kamiminochi-gun, Nagano 389-1222, 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.