Postal codes in Saku-shi, Nagano
長野県佐久市 — 71 postal codes. General code: 385-0000. Local government code 20217.
Address example
1-2-3 Atobe, Saku-shi, Nagano 385-0054, Japan
〒385-0054 長野県佐久市跡部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 |
|---|---|
| 385-0000 | (any other address in this municipality) （下に掲載がない場合） Saku-shi, Nagano 385-0000, Japan |
| 385-0054 | Atobe 跡部 Atobe, Saku-shi, Nagano 385-0054, Japan |
| 385-0007 | Arakoda 新子田 Arakoda, Saku-shi, Nagano 385-0007, Japan |
| 385-0015 | Imai 今井 Imai, Saku-shi, Nagano 385-0015, Japan |
| 384-0621 | Irisawa 入澤 Irisawa, Saku-shi, Nagano 384-0621, Japan |
| 385-0022 | Iwamurada 岩村田 Iwamurada, Saku-shi, Nagano 385-0022, Japan |
| 385-0023 | Iwamuradakita 岩村田北 Iwamuradakita, Saku-shi, Nagano 385-0023, Japan |
| 384-2201 | Innai 印内 Innai, Saku-shi, Nagano 384-2201, Japan |
| 384-0301 | Usuda 臼田 Usuda, Saku-shi, Nagano 384-0301, Japan |
| 385-0031 | Uchiyama 内山 Uchiyama, Saku-shi, Nagano 385-0031, Japan |
| 385-0045 | Osawa 大沢 Osawa, Saku-shi, Nagano 385-0045, Japan |
| 385-0033 | Otabe 太田部 Otabe, Saku-shi, Nagano 385-0033, Japan |
| 385-0009 | Otai 小田井 Otai, Saku-shi, Nagano 385-0009, Japan |
| 385-0041 | Kajiya 鍛冶屋 Kajiya, Saku-shi, Nagano 385-0041, Japan |
| 384-2205 | Kasuga 春日 Kasuga, Saku-shi, Nagano 384-2205, Japan |
| 384-0302 | Katsuma 勝間 Katsuma, Saku-shi, Nagano 384-0302, Japan |
| 384-0306 | Kamiotagiri 上小田切 Kamiotagiri, Saku-shi, Nagano 384-0306, Japan |
| 385-0002 | Kamihirao 上平尾 Kamihirao, Saku-shi, Nagano 385-0002, Japan |
| 384-0304 | Kitagawa 北川 Kitagawa, Saku-shi, Nagano 384-0304, Japan |
| 384-2204 | Kyowa 協和 Kyowa, Saku-shi, Nagano 384-2204, Japan |
| 384-0411 | Kiyokawa 清川 Kiyokawa, Saku-shi, Nagano 384-0411, Japan |
| 384-2101 | Kuwayama 桑山 Kuwayama, Saku-shi, Nagano 384-2101, Japan |
| 384-2104 | Ko 甲 Ko, Saku-shi, Nagano 384-2104, Japan |
| 385-0005 | Kosaka 香坂 Kosaka, Saku-shi, Nagano 385-0005, Japan |
| 385-0047 | Komiyama 小宮山 Komiyama, Saku-shi, Nagano 385-0047, Japan |
| 385-0028 | Sakudairaeki Higashi 佐久平駅東 Sakudairaeki Higashi, Saku-shi, Nagano 385-0028, Japan |
| 385-0029 | Sakudairaeki Minami 佐久平駅南 Sakudairaeki Minami, Saku-shi, Nagano 385-0029, Japan |
| 385-0027 | Sakudairaeki Kita 佐久平駅北 Sakudairaeki Kita, Saku-shi, Nagano 385-0027, Japan |
| 385-0056 | Sakurai 桜井 Sakurai, Saku-shi, Nagano 385-0056, Japan |
| 385-0011 | Sarukubo 猿久保 Sarukubo, Saku-shi, Nagano 385-0011, Japan |
| 384-2102 | Shionada 塩名田 Shionada, Saku-shi, Nagano 384-2102, Japan |
| 385-0006 | Shiga 志賀 Shiga, Saku-shi, Nagano 385-0006, Japan |
| 384-0303 | Shimotagiri 下小田切 Shimotagiri, Saku-shi, Nagano 384-0303, Japan |
| 384-0414 | Shimogoe 下越 Shimogoe, Saku-shi, Nagano 384-0414, Japan |
| 385-0003 | Shimohirao 下平尾 Shimohirao, Saku-shi, Nagano 385-0003, Japan |
| 385-0035 | Seto 瀬戸 Seto, Saku-shi, Nagano 385-0035, Japan |
| 385-0042 | Takayagi 高柳 Takayagi, Saku-shi, Nagano 385-0042, Japan |
| 384-0412 | Taguchi 田口 Taguchi, Saku-shi, Nagano 384-0412, Japan |
| 385-0025 | Tsukabara 塚原 Tsukabara, Saku-shi, Nagano 385-0025, Japan |
| 385-0026 | Tokida 常田 Tokida, Saku-shi, Nagano 385-0026, Japan |
| 385-0032 | Tokiwa 常和 Tokiwa, Saku-shi, Nagano 385-0032, Japan |
| 385-0061 | Tomono 伴野 Tomono, Saku-shi, Nagano 385-0061, Japan |
| 385-0043 | Toridemachi 取出町 Toridemachi, Saku-shi, Nagano 385-0043, Japan |
| 384-0305 | Nakaotagiri 中小田切 Nakaotagiri, Saku-shi, Nagano 384-0305, Japan |
| 385-0051 | Nakagomi 中込 Nakagomi, Saku-shi, Nagano 385-0051, Japan |
| 385-0021 | Nagatoro 長土呂 Nagatoro, Saku-shi, Nagano 385-0021, Japan |
| 385-0016 | Naruse 鳴瀬 Naruse, Saku-shi, Nagano 385-0016, Japan |
| 385-0062 | Negishi 根岸 Negishi, Saku-shi, Nagano 385-0062, Japan |
| 385-0012 | Nenei 根々井 Nenei, Saku-shi, Nagano 385-0012, Japan |
| 385-0053 | Nozawa 野沢 Nozawa, Saku-shi, Nagano 385-0053, Japan |
| 385-0052 | Hara 原 Hara, Saku-shi, Nagano 385-0052, Japan |
| 385-0063 | Higashitateshina 東立科 Higashitateshina, Saku-shi, Nagano 385-0063, Japan |
| 385-0034 | Hiraka 平賀 Hiraka, Saku-shi, Nagano 385-0034, Japan |
| 385-0024 | Hiratsuka 平塚 Hiratsuka, Saku-shi, Nagano 385-0024, Japan |
| 384-0622 | Hirabayashi 平林 Hirabayashi, Saku-shi, Nagano 384-0622, Japan |
| 384-2203 | Fuse 布施 Fuse, Saku-shi, Nagano 384-2203, Japan |
| 385-0044 | Honshimmachi 本新町 Honshimmachi, Saku-shi, Nagano 385-0044, Japan |
| 385-0046 | Maeyama 前山 Maeyama, Saku-shi, Nagano 385-0046, Japan |
| 385-0014 | Mikawada 三河田 Mikawada, Saku-shi, Nagano 385-0014, Japan |
| 385-0055 | Michizuka 三塚 Michizuka, Saku-shi, Nagano 385-0055, Japan |
| 384-0413 | Mibun 三分 Mibun, Saku-shi, Nagano 384-0413, Japan |
| 384-2103 | Mimayose 御馬寄 Mimayose, Saku-shi, Nagano 384-2103, Japan |
| 384-2206 | Motai 茂田井 Motai, Saku-shi, Nagano 384-2206, Japan |
| 384-2202 | Mochizuki 望月 Mochizuki, Saku-shi, Nagano 384-2202, Japan |
| 384-2105 | Yashima 矢嶋 Yashima, Saku-shi, Nagano 384-2105, Japan |
| 385-0004 | Yasuhara 安原 Yasuhara, Saku-shi, Nagano 385-0004, Japan |
| 384-2106 | Yawata 八幡 Yawata, Saku-shi, Nagano 384-2106, Japan |
| 384-0307 | Yuhara 湯原 Yuhara, Saku-shi, Nagano 384-0307, Japan |
| 385-0001 | Yokone 横根 Yokone, Saku-shi, Nagano 385-0001, Japan |
| 385-0013 | Yokowa 横和 Yokowa, Saku-shi, Nagano 385-0013, Japan |
| 384-2107 | Yomogida 蓬田 Yomogida, Saku-shi, Nagano 384-2107, 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.