Postal codes in Okaya-shi, Nagano
長野県岡谷市 — 46 postal codes. General code: 394-0000. Local government code 20204.
Address example
1-2-3 Akahane, Okaya-shi, Nagano 394-0002, Japan
〒394-0002 長野県岡谷市赤羽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 |
|---|---|
| 394-0000 | (any other address in this municipality) （下に掲載がない場合） Okaya-shi, Nagano 394-0000, Japan |
| 394-0091 | (no town name; lot number follows the municipality) （町域名がなく番地が続く住所） Okaya-shi, Nagano 394-0091, Japan |
| 394-0002 | Akahane 赤羽 Akahane, Okaya-shi, Nagano 394-0002, Japan |
| 394-0053 | Ashinosawa 芦ノ沢 Ashinosawa, Okaya-shi, Nagano 394-0053, Japan |
| 394-0001 | Imai 今井 Imai, Okaya-shi, Nagano 394-0001, Japan |
| 394-0055 | Uchiyama 内山 Uchiyama, Okaya-shi, Nagano 394-0055, Japan |
| 394-0051 | Enrei 塩嶺 Enrei, Okaya-shi, Nagano 394-0051, Japan |
| 394-0043 | Okuracho 御倉町 Okuracho, Okaya-shi, Nagano 394-0043, Japan |
| 394-0011 | Osachi 長地 Osachi, Okaya-shi, Nagano 394-0011, Japan |
| 394-0089 | Osachiizuhaya 長地出早 Osachiizuhaya, Okaya-shi, Nagano 394-0089, Japan |
| 394-0084 | Osachikatamacho 長地片間町 Osachikatamacho, Okaya-shi, Nagano 394-0084, Japan |
| 394-0082 | Osachigosho 長地御所 Osachigosho, Okaya-shi, Nagano 394-0082, Japan |
| 394-0085 | Osachikohagi 長地小萩 Osachikohagi, Okaya-shi, Nagano 394-0085, Japan |
| 394-0081 | Osachigongencho 長地権現町 Osachigongencho, Okaya-shi, Nagano 394-0081, Japan |
| 394-0087 | Osachishizume 長地鎮 Osachishizume, Okaya-shi, Nagano 394-0087, Japan |
| 394-0083 | Osachishibamiya 長地柴宮 Osachishibamiya, Okaya-shi, Nagano 394-0083, Japan |
| 394-0088 | Osachinashikubo 長地梨久保 Osachinashikubo, Okaya-shi, Nagano 394-0088, Japan |
| 394-0086 | Osachiminamoto 長地源 Osachiminamoto, Okaya-shi, Nagano 394-0086, Japan |
| 394-0003 | Kamocho 加茂町 Kamocho, Okaya-shi, Nagano 394-0003, Japan |
| 394-0048 | Kawagishikami 川岸上 Kawagishikami, Okaya-shi, Nagano 394-0048, Japan |
| 394-0047 | Kawagishinaka 川岸中 Kawagishinaka, Okaya-shi, Nagano 394-0047, Japan |
| 394-0045 | Kawagishihigashi 川岸東 Kawagishihigashi, Okaya-shi, Nagano 394-0045, Japan |
| 394-0046 | Kawagishinishi 川岸西 Kawagishinishi, Okaya-shi, Nagano 394-0046, Japan |
| 394-0022 | Ginza 銀座 Ginza, Okaya-shi, Nagano 394-0022, Japan |
| 394-0021 | Goda 郷田 Goda, Okaya-shi, Nagano 394-0021, Japan |
| 394-0034 | Kohan 湖畔 Kohan, Okaya-shi, Nagano 394-0034, Japan |
| 394-0029 | Saiwaicho 幸町 Saiwaicho, Okaya-shi, Nagano 394-0029, Japan |
| 394-0004 | Shimmeicho 神明町 Shimmeicho, Okaya-shi, Nagano 394-0004, Japan |
| 394-0025 | Daieicho 大栄町 Daieicho, Okaya-shi, Nagano 394-0025, Japan |
| 394-0031 | Tanakacho 田中町 Tanakacho, Okaya-shi, Nagano 394-0031, Japan |
| 394-0027 | Chuocho 中央町 Chuocho, Okaya-shi, Nagano 394-0027, Japan |
| 394-0026 | Tsukamacho 塚間町 Tsukamacho, Okaya-shi, Nagano 394-0026, Japan |
| 394-0035 | Tenryucho 天竜町 Tenryucho, Okaya-shi, Nagano 394-0035, Japan |
| 394-0042 | Narutacho 成田町 Narutacho, Okaya-shi, Nagano 394-0042, Japan |
| 394-0033 | Nangu 南宮 Nangu, Okaya-shi, Nagano 394-0033, Japan |
| 394-0052 | Nishibayashi 西林 Nishibayashi, Okaya-shi, Nagano 394-0052, Japan |
| 394-0054 | Hannoki 半ノ木 Hannoki, Okaya-shi, Nagano 394-0054, Japan |
| 394-0023 | Higashiginza 東銀座 Higashiginza, Okaya-shi, Nagano 394-0023, Japan |
| 394-0056 | Hizawa 樋沢 Hizawa, Okaya-shi, Nagano 394-0056, Japan |
| 394-0024 | Horinochi 堀ノ内 Horinochi, Okaya-shi, Nagano 394-0024, Japan |
| 394-0028 | Honcho 本町 Honcho, Okaya-shi, Nagano 394-0028, Japan |
| 394-0044 | Minato 湊 Minato, Okaya-shi, Nagano 394-0044, Japan |
| 394-0005 | Yamashitacho 山下町 Yamashitacho, Okaya-shi, Nagano 394-0005, Japan |
| 394-0041 | Yamatecho 山手町 Yamatecho, Okaya-shi, Nagano 394-0041, Japan |
| 394-0053 | Yogitogisawa ヨギトギ沢 Yogitogisawa, Okaya-shi, Nagano 394-0053, Japan |
| 394-0032 | Wakamiya 若宮 Wakamiya, Okaya-shi, Nagano 394-0032, 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.