Postal codes in Iwatsuki-ku, Saitama-shi, Saitama
埼玉県さいたま市岩槻区 — 67 postal codes. General code: 339-0000. Local government code 11110.
Address example
1-2-3 Ainohara, Iwatsuki-ku, Saitama-shi, Saitama 339-0071, Japan
〒339-0071 埼玉県さいたま市岩槻区相野原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 |
|---|---|
| 339-0000 | (any other address in this municipality) （下に掲載がない場合） Iwatsuki-ku, Saitama-shi, Saitama 339-0000, Japan |
| 339-0071 | Ainohara 相野原 Ainohara, Iwatsuki-ku, Saitama-shi, Saitama 339-0071, Japan |
| 339-0066 | Atagocho 愛宕町 Atagocho, Iwatsuki-ku, Saitama-shi, Saitama 339-0066, Japan |
| 339-0031 | Iizuka 飯塚 Iizuka, Iwatsuki-ku, Saitama-shi, Saitama 339-0031, Japan |
| 339-0061 | Iwatsuki 岩槻 Iwatsuki, Iwatsuki-ku, Saitama-shi, Saitama 339-0061, Japan |
| 339-0073 | Ueno 上野 Ueno, Iwatsuki-ku, Saitama-shi, Saitama 339-0073, Japan |
| 339-0037 | Ukiya 浮谷 Ukiya, Iwatsuki-ku, Saitama-shi, Saitama 339-0037, Japan |
| 339-0002 | Urajionji 裏慈恩寺 Urajionji, Iwatsuki-ku, Saitama-shi, Saitama 339-0002, Japan |
| 339-0013 | Oguchi 大口 Oguchi, Iwatsuki-ku, Saitama-shi, Saitama 339-0013, Japan |
| 339-0052 | Ota 太田 Ota, Iwatsuki-ku, Saitama-shi, Saitama 339-0052, Japan |
| 339-0014 | Oto 大戸 Oto, Iwatsuki-ku, Saitama-shi, Saitama 339-0014, Japan |
| 339-0018 | Onojima 大野島 Onojima, Iwatsuki-ku, Saitama-shi, Saitama 339-0018, Japan |
| 339-0017 | Omori 大森 Omori, Iwatsuki-ku, Saitama-shi, Saitama 339-0017, Japan |
| 339-0015 | Oya 大谷 Oya, Iwatsuki-ku, Saitama-shi, Saitama 339-0015, Japan |
| 339-0027 | Ogasaki 尾ヶ崎 Ogasaki, Iwatsuki-ku, Saitama-shi, Saitama 339-0027, Japan |
| 339-0026 | Ogasakishinden 尾ヶ崎新田 Ogasakishinden, Iwatsuki-ku, Saitama-shi, Saitama 339-0026, Japan |
| 339-0008 | Omotejionji 表慈恩寺 Omotejionji, Iwatsuki-ku, Saitama-shi, Saitama 339-0008, Japan |
| 339-0024 | Kagiage 釣上 Kagiage, Iwatsuki-ku, Saitama-shi, Saitama 339-0024, Japan |
| 339-0025 | Kagiageshinden 釣上新田 Kagiageshinden, Iwatsuki-ku, Saitama-shi, Saitama 339-0025, Japan |
| 339-0056 | Kakura 加倉 Kakura, Iwatsuki-ku, Saitama-shi, Saitama 339-0056, Japan |
| 339-0078 | Kake 掛 Kake, Iwatsuki-ku, Saitama-shi, Saitama 339-0078, Japan |
| 339-0045 | Kashiwazaki 柏崎 Kashiwazaki, Iwatsuki-ku, Saitama-shi, Saitama 339-0045, Japan |
| 339-0075 | Kanashige 金重 Kanashige, Iwatsuki-ku, Saitama-shi, Saitama 339-0075, Japan |
| 339-0001 | Kanamuro 鹿室 Kanamuro, Iwatsuki-ku, Saitama-shi, Saitama 339-0001, Japan |
| 339-0006 | Kamisato 上里 Kamisato, Iwatsuki-ku, Saitama-shi, Saitama 339-0006, Japan |
| 339-0033 | Kuroya 黒谷 Kuroya, Iwatsuki-ku, Saitama-shi, Saitama 339-0033, Japan |
| 339-0072 | Kokaba 古ヶ場 Kokaba, Iwatsuki-ku, Saitama-shi, Saitama 339-0072, Japan |
| 339-0003 | Komizo 小溝 Komizo, Iwatsuki-ku, Saitama-shi, Saitama 339-0003, Japan |
| 339-0034 | Sasakubo 笹久保 Sasakubo, Iwatsuki-ku, Saitama-shi, Saitama 339-0034, Japan |
| 339-0035 | Sasakuboshinden 笹久保新田 Sasakuboshinden, Iwatsuki-ku, Saitama-shi, Saitama 339-0035, Japan |
| 339-0009 | Jionji 慈恩寺 Jionji, Iwatsuki-ku, Saitama-shi, Saitama 339-0009, Japan |
| 339-0043 | Jonan 城南 Jonan, Iwatsuki-ku, Saitama-shi, Saitama 339-0043, Japan |
| 339-0053 | Shiromachi 城町 Shiromachi, Iwatsuki-ku, Saitama-shi, Saitama 339-0053, Japan |
| 339-0044 | Shimpukuji 真福寺 Shimpukuji, Iwatsuki-ku, Saitama-shi, Saitama 339-0044, Japan |
| 339-0021 | Sueda 末田 Sueda, Iwatsuki-ku, Saitama-shi, Saitama 339-0021, Japan |
| 339-0007 | Suwa 諏訪 Suwa, Iwatsuki-ku, Saitama-shi, Saitama 339-0007, Japan |
| 339-0022 | Takasone 高曽根 Takasone, Iwatsuki-ku, Saitama-shi, Saitama 339-0022, Japan |
| 339-0004 | Tokuriki 徳力 Tokuriki, Iwatsuki-ku, Saitama-shi, Saitama 339-0004, Japan |
| 339-0054 | Nakacho 仲町 Nakacho, Iwatsuki-ku, Saitama-shi, Saitama 339-0054, Japan |
| 339-0011 | Nagamiya 長宮 Nagamiya, Iwatsuki-ku, Saitama-shi, Saitama 339-0011, Japan |
| 339-0068 | Namiki 並木 Namiki, Iwatsuki-ku, Saitama-shi, Saitama 339-0068, Japan |
| 339-0016 | Niigatasuka 新方須賀 Niigatasuka, Iwatsuki-ku, Saitama-shi, Saitama 339-0016, Japan |
| 339-0081 | Nishihara 西原 Nishihara, Iwatsuki-ku, Saitama-shi, Saitama 339-0081, Japan |
| 339-0082 | Nishiharadai 西原台 Nishiharadai, Iwatsuki-ku, Saitama-shi, Saitama 339-0082, Japan |
| 339-0067 | Nishimachi 西町 Nishimachi, Iwatsuki-ku, Saitama-shi, Saitama 339-0067, Japan |
| 339-0023 | Nomago 野孫 Nomago, Iwatsuki-ku, Saitama-shi, Saitama 339-0023, Japan |
| 339-0047 | Haramachi 原町 Haramachi, Iwatsuki-ku, Saitama-shi, Saitama 339-0047, Japan |
| 339-0005 | Higashiiwatsuki 東岩槻 Higashiiwatsuki, Iwatsuki-ku, Saitama-shi, Saitama 339-0005, Japan |
| 339-0055 | Higashicho 東町 Higashicho, Iwatsuki-ku, Saitama-shi, Saitama 339-0055, Japan |
| 339-0064 | Hinodecho 日の出町 Hinodecho, Iwatsuki-ku, Saitama-shi, Saitama 339-0064, Japan |
| 339-0042 | Funai 府内 Funai, Iwatsuki-ku, Saitama-shi, Saitama 339-0042, Japan |
| 339-0076 | Heirinji 平林寺 Heirinji, Iwatsuki-ku, Saitama-shi, Saitama 339-0076, Japan |
| 339-0074 | Honjuku 本宿 Honjuku, Iwatsuki-ku, Saitama-shi, Saitama 339-0074, Japan |
| 339-0057 | Honcho 本町 Honcho, Iwatsuki-ku, Saitama-shi, Saitama 339-0057, Japan |
| 339-0058 | Hommaru 本丸 Hommaru, Iwatsuki-ku, Saitama-shi, Saitama 339-0058, Japan |
| 339-0077 | Magome 馬込 Magome, Iwatsuki-ku, Saitama-shi, Saitama 339-0077, Japan |
| 339-0012 | Mashinaga 増長 Mashinaga, Iwatsuki-ku, Saitama-shi, Saitama 339-0012, Japan |
| 339-0028 | Misonohigashi 美園東 Misonohigashi, Iwatsuki-ku, Saitama-shi, Saitama 339-0028, Japan |
| 339-0032 | Minamishimoarai 南下新井 Minamishimoarai, Iwatsuki-ku, Saitama-shi, Saitama 339-0032, Japan |
| 339-0062 | Minamitsuji 南辻 Minamitsuji, Iwatsuki-ku, Saitama-shi, Saitama 339-0062, Japan |
| 339-0051 | Minamihirano 南平野 Minamihirano, Iwatsuki-ku, Saitama-shi, Saitama 339-0051, Japan |
| 339-0069 | Minowa 箕輪 Minowa, Iwatsuki-ku, Saitama-shi, Saitama 339-0069, Japan |
| 339-0065 | Miyacho 宮町 Miyacho, Iwatsuki-ku, Saitama-shi, Saitama 339-0065, Japan |
| 339-0063 | Miyukicho 美幸町 Miyukicho, Iwatsuki-ku, Saitama-shi, Saitama 339-0063, Japan |
| 339-0041 | Murakuni 村国 Murakuni, Iwatsuki-ku, Saitama-shi, Saitama 339-0041, Japan |
| 339-0046 | Yajita 谷下 Yajita, Iwatsuki-ku, Saitama-shi, Saitama 339-0046, Japan |
| 339-0036 | Yokone 横根 Yokone, Iwatsuki-ku, Saitama-shi, Saitama 339-0036, 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.