Postal codes in Kainan-shi, Wakayama
和歌山県海南市 — 73 postal codes. General code: 642-0000. Local government code 30202.
Address example
1-2-3 Akanuma, Kainan-shi, Wakayama 640-1163, Japan
〒640-1163 和歌山県海南市赤沼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 |
|---|---|
| 642-0000 | (any other address in this municipality) （下に掲載がない場合） Kainan-shi, Wakayama 642-0000, Japan |
| 640-1163 | Akanuma 赤沼 Akanuma, Kainan-shi, Wakayama 640-1163, Japan |
| 642-0015 | Asso 且来 Asso, Kainan-shi, Wakayama 642-0015, Japan |
| 642-0021 | Ida 井田 Ida, Kainan-shi, Wakayama 642-0021, Japan |
| 640-1164 | Ebitani 海老谷 Ebitani, Kainan-shi, Wakayama 640-1164, Japan |
| 642-0013 | Ota 多田 Ota, Kainan-shi, Wakayama 642-0013, Japan |
| 642-0022 | Ononaka 大野中 Ononaka, Kainan-shi, Wakayama 642-0022, Japan |
| 642-0012 | Okada 岡田 Okada, Kainan-shi, Wakayama 642-0012, Japan |
| 640-1175 | Okinono 沖野々 Okinono, Kainan-shi, Wakayama 640-1175, Japan |
| 642-0014 | Onoda 小野田 Onoda, Kainan-shi, Wakayama 642-0014, Japan |
| 640-1162 | Kamidani 上谷 Kamidani, Kainan-shi, Wakayama 640-1162, Japan |
| 640-1174 | Kizu 木津 Kizu, Kainan-shi, Wakayama 640-1174, Japan |
| 642-0016 | Kitaakasaka 北赤坂 Kitaakasaka, Kainan-shi, Wakayama 642-0016, Japan |
| 640-1167 | Kuhonji 九品寺 Kuhonji, Kainan-shi, Wakayama 640-1167, Japan |
| 642-0027 | Gumizawa 扱沢 Gumizawa, Kainan-shi, Wakayama 642-0027, Japan |
| 642-0011 | Kuroe 黒江 Kuroe, Kainan-shi, Wakayama 642-0011, Japan |
| 642-0024 | Sakai 阪井 Sakai, Kainan-shi, Wakayama 642-0024, Japan |
| 642-0023 | Shikone 重根 Shikone, Kainan-shi, Wakayama 642-0023, Japan |
| 642-0019 | Shikonenishi 重根西 Shikonenishi, Kainan-shi, Wakayama 642-0019, Japan |
| 642-0018 | Shikonehigashi 重根東 Shikonehigashi, Kainan-shi, Wakayama 642-0018, Japan |
| 642-0035 | Shimizu 冷水 Shimizu, Kainan-shi, Wakayama 642-0035, Japan |
| 649-0147 | Shimotsucho Aoshi 下津町青枝 Shimotsucho Aoshi, Kainan-shi, Wakayama 649-0147, Japan |
| 649-0145 | Shimotsucho Ichitsubo 下津町市坪 Shimotsucho Ichitsubo, Kainan-shi, Wakayama 649-0145, Japan |
| 649-0132 | Shimotsucho Umeda 下津町梅田 Shimotsucho Umeda, Kainan-shi, Wakayama 649-0132, Japan |
| 649-0155 | Shimotsucho Okubo 下津町大窪 Shimotsucho Okubo, Kainan-shi, Wakayama 649-0155, Japan |
| 649-0112 | Shimotsucho Osaki 下津町大崎 Shimotsucho Osaki, Kainan-shi, Wakayama 649-0112, Japan |
| 649-0153 | Shimotsucho Oki 下津町興 Shimotsucho Oki, Kainan-shi, Wakayama 649-0153, Japan |
| 649-0162 | Shimotsucho Obara 下津町小原 Shimotsucho Obara, Kainan-shi, Wakayama 649-0162, Japan |
| 649-0154 | Shimotsucho Kasabata 下津町笠畑 Shimotsucho Kasabata, Kainan-shi, Wakayama 649-0154, Japan |
| 649-0111 | Shimotsucho Kata 下津町方 Shimotsucho Kata, Kainan-shi, Wakayama 649-0111, Japan |
| 649-0164 | Shimotsucho Kami 下津町上 Shimotsucho Kami, Kainan-shi, Wakayama 649-0164, Japan |
| 649-0163 | Shimotsucho Karegawa 下津町鰈川 Shimotsucho Karegawa, Kainan-shi, Wakayama 649-0163, Japan |
| 649-0144 | Shimotsucho Kitsumoto 下津町橘本 Shimotsucho Kitsumoto, Kainan-shi, Wakayama 649-0144, Japan |
| 649-0146 | Shimotsucho Kutsukake 下津町沓掛 Shimotsucho Kutsukake, Kainan-shi, Wakayama 649-0146, Japan |
| 649-0122 | Shimotsucho Kuroda 下津町黒田 Shimotsucho Kuroda, Kainan-shi, Wakayama 649-0122, Japan |
| 649-0161 | Shimotsucho Kobata 下津町小畑 Shimotsucho Kobata, Kainan-shi, Wakayama 649-0161, Japan |
| 649-0143 | Shimotsucho Komatsubara 下津町小松原 Shimotsucho Komatsubara, Kainan-shi, Wakayama 649-0143, Japan |
| 649-0141 | Shimotsucho Kominami 下津町小南 Shimotsucho Kominami, Kainan-shi, Wakayama 649-0141, Japan |
| 649-0131 | Shimotsucho Shiotsu 下津町塩津 Shimotsucho Shiotsu, Kainan-shi, Wakayama 649-0131, Japan |
| 649-0133 | Shimotsucho Shimo 下津町下 Shimotsucho Shimo, Kainan-shi, Wakayama 649-0133, Japan |
| 649-0101 | Shimotsucho Shimotsu 下津町下津 Shimotsucho Shimotsu, Kainan-shi, Wakayama 649-0101, Japan |
| 649-0151 | Shimotsucho Soneda 下津町曽根田 Shimotsucho Soneda, Kainan-shi, Wakayama 649-0151, Japan |
| 649-0142 | Shimotsucho Naka 下津町中 Shimotsucho Naka, Kainan-shi, Wakayama 649-0142, Japan |
| 649-0152 | Shimotsucho Hikio 下津町引尾 Shimotsucho Hikio, Kainan-shi, Wakayama 649-0152, Japan |
| 649-0121 | Shimotsucho Maruda 下津町丸田 Shimotsucho Maruda, Kainan-shi, Wakayama 649-0121, Japan |
| 649-0156 | Shimotsucho Momogaito 下津町百垣内 Shimotsucho Momogaito, Kainan-shi, Wakayama 649-0156, Japan |
| 649-0123 | Shimotsucho Yoro 下津町丁 Shimotsucho Yoro, Kainan-shi, Wakayama 649-0123, Japan |
| 640-0443 | Shimotsuno 下津野 Shimotsuno, Kainan-shi, Wakayama 640-0443, Japan |
| 640-0451 | Takazu 高津 Takazu, Kainan-shi, Wakayama 640-0451, Japan |
| 642-0031 | Tsukiji 築地 Tsukiji, Kainan-shi, Wakayama 642-0031, Japan |
| 640-1166 | Tsugedani 次ケ谷 Tsugedani, Kainan-shi, Wakayama 640-1166, Japan |
| 642-0033 | Torii 鳥居 Torii, Kainan-shi, Wakayama 642-0033, Japan |
| 642-0032 | Nataka 名高 Nataka, Kainan-shi, Wakayama 642-0032, Japan |
| 640-0441 | Nanayama 七山 Nanayama, Kainan-shi, Wakayama 640-0441, Japan |
| 640-1161 | Nokami Shin 野上新 Nokami Shin, Kainan-shi, Wakayama 640-1161, Japan |
| 640-1171 | Nokami Naka 野上中 Nokami Naka, Kainan-shi, Wakayama 640-1171, Japan |
| 640-0453 | Nojiri 野尻 Nojiri, Kainan-shi, Wakayama 640-0453, Japan |
| 642-0028 | Hatagawa 幡川 Hatagawa, Kainan-shi, Wakayama 642-0028, Japan |
| 642-0004 | Babacho 馬場町 Babacho, Kainan-shi, Wakayama 642-0004, Japan |
| 640-0442 | Harano 原野 Harano, Kainan-shi, Wakayama 640-0442, Japan |
| 642-0002 | Hikata 日方 Hikata, Kainan-shi, Wakayama 642-0002, Japan |
| 642-0025 | Higashibata 東畑 Higashibata, Kainan-shi, Wakayama 642-0025, Japan |
| 640-1165 | Hiyamizu ひや水 Hiyamizu, Kainan-shi, Wakayama 640-1165, Japan |
| 642-0034 | Fujishiro 藤白 Fujishiro, Kainan-shi, Wakayama 642-0034, Japan |
| 642-0001 | Funo 船尾 Funo, Kainan-shi, Wakayama 642-0001, Japan |
| 640-0454 | Betsuin 別院 Betsuin, Kainan-shi, Wakayama 640-0454, Japan |
| 642-0026 | Besshiyo 別所 Besshiyo, Kainan-shi, Wakayama 642-0026, Japan |
| 640-1172 | Mizonokuchi 溝ノ口 Mizonokuchi, Kainan-shi, Wakayama 640-1172, Japan |
| 642-0017 | Minamiakasaka 南赤坂 Minamiakasaka, Kainan-shi, Wakayama 642-0017, Japan |
| 640-1173 | Mukunoki 椋木 Mukunoki, Kainan-shi, Wakayama 640-1173, Japan |
| 640-0452 | Moko 孟子 Moko, Kainan-shi, Wakayama 640-0452, Japan |
| 642-0003 | Yamasakicho 山崎町 Yamasakicho, Kainan-shi, Wakayama 642-0003, Japan |
| 642-0029 | Yamada 山田 Yamada, Kainan-shi, Wakayama 642-0029, 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.