Postal codes in Yoshikawa-shi, Saitama
埼玉県吉川市 — 49 postal codes. General code: 342-0000. Local government code 11243.
Address example
1-2-3 Ainoya, Yoshikawa-shi, Saitama 342-0016, Japan
〒342-0016 埼玉県吉川市会野谷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 |
|---|---|
| 342-0000 | (any other address in this municipality) （下に掲載がない場合） Yoshikawa-shi, Saitama 342-0000, Japan |
| 342-0016 | Ainoya 会野谷 Ainoya, Yoshikawa-shi, Saitama 342-0016, Japan |
| 342-0008 | Asahi 旭 Asahi, Yoshikawa-shi, Saitama 342-0008, Japan |
| 342-0025 | Iijima 飯島 Iijima, Yoshikawa-shi, Saitama 342-0025, Japan |
| 342-0022 | Kato 加藤 Kato, Yoshikawa-shi, Saitama 342-0022, Japan |
| 342-0001 | Kamiuchikawa 上内川 Kamiuchikawa, Yoshikawa-shi, Saitama 342-0001, Japan |
| 342-0017 | Kamisasazuka 上笹塚 Kamisasazuka, Yoshikawa-shi, Saitama 342-0017, Japan |
| 342-0052 | Kawadomi 川富 Kawadomi, Yoshikawa-shi, Saitama 342-0052, Japan |
| 342-0051 | Kawano 川野 Kawano, Yoshikawa-shi, Saitama 342-0051, Japan |
| 342-0005 | Kawafuji 川藤 Kawafuji, Yoshikawa-shi, Saitama 342-0005, Japan |
| 342-0045 | Kiuri 木売 Kiuri, Yoshikawa-shi, Saitama 342-0045, Japan |
| 342-0044 | Kiurishinden 木売新田 Kiurishinden, Yoshikawa-shi, Saitama 342-0044, Japan |
| 342-0046 | Kyoho 共保 Kyoho, Yoshikawa-shi, Saitama 342-0046, Japan |
| 342-0058 | Kiyomino きよみ野 Kiyomino, Yoshikawa-shi, Saitama 342-0058, Japan |
| 342-0043 | Komatsugawa 小松川 Komatsugawa, Yoshikawa-shi, Saitama 342-0043, Japan |
| 342-0050 | Sakaecho 栄町 Sakaecho, Yoshikawa-shi, Saitama 342-0050, Japan |
| 342-0023 | Saranuma 皿沼 Saranuma, Yoshikawa-shi, Saitama 342-0023, Japan |
| 342-0021 | Shishimizuka 鹿見塚 Shishimizuka, Yoshikawa-shi, Saitama 342-0021, Japan |
| 342-0002 | Shimochikawa 下内川 Shimochikawa, Yoshikawa-shi, Saitama 342-0002, Japan |
| 342-0007 | Juikken 拾壱軒 Juikken, Yoshikawa-shi, Saitama 342-0007, Japan |
| 342-0059 | Shinei 新栄 Shinei, Yoshikawa-shi, Saitama 342-0059, Japan |
| 342-0057 | Suka 須賀 Suka, Yoshikawa-shi, Saitama 342-0057, Japan |
| 342-0053 | Seki 関 Seki, Yoshikawa-shi, Saitama 342-0053, Japan |
| 342-0014 | Sekishinden 関新田 Sekishinden, Yoshikawa-shi, Saitama 342-0014, Japan |
| 342-0036 | Takadomi 高富 Takadomi, Yoshikawa-shi, Saitama 342-0036, Japan |
| 342-0035 | Takahisa 高久 Takahisa, Yoshikawa-shi, Saitama 342-0035, Japan |
| 342-0061 | Chuo 中央 Chuo, Yoshikawa-shi, Saitama 342-0061, Japan |
| 342-0034 | Doniwa 道庭 Doniwa, Yoshikawa-shi, Saitama 342-0034, Japan |
| 342-0026 | Dojo 土場 Dojo, Yoshikawa-shi, Saitama 342-0026, Japan |
| 342-0037 | Tomishinden 富新田 Tomishinden, Yoshikawa-shi, Saitama 342-0037, Japan |
| 342-0015 | Nakai 中井 Nakai, Yoshikawa-shi, Saitama 342-0015, Japan |
| 342-0047 | Nakagawadai 中川台 Nakagawadai, Yoshikawa-shi, Saitama 342-0047, Japan |
| 342-0031 | Nakajima 中島 Nakajima, Yoshikawa-shi, Saitama 342-0031, Japan |
| 342-0033 | Nakazone 中曽根 Nakazone, Yoshikawa-shi, Saitama 342-0033, Japan |
| 342-0042 | Nakano 中野 Nakano, Yoshikawa-shi, Saitama 342-0042, Japan |
| 342-0004 | Nabekoji 鍋小路 Nabekoji, Yoshikawa-shi, Saitama 342-0004, Japan |
| 342-0003 | Hachikoshinden 八子新田 Hachikoshinden, Yoshikawa-shi, Saitama 342-0003, Japan |
| 342-0024 | Hanwari 半割 Hanwari, Yoshikawa-shi, Saitama 342-0024, Japan |
| 342-0012 | Hirakatashinden 平方新田 Hirakatashinden, Yoshikawa-shi, Saitama 342-0012, Japan |
| 342-0056 | Hiranuma 平沼 Hiranuma, Yoshikawa-shi, Saitama 342-0056, Japan |
| 342-0011 | Fukaishinden 深井新田 Fukaishinden, Yoshikawa-shi, Saitama 342-0011, Japan |
| 342-0032 | Futatsunuma 二ツ沼 Futatsunuma, Yoshikawa-shi, Saitama 342-0032, Japan |
| 342-0041 | Ho 保 Ho, Yoshikawa-shi, Saitama 342-0041, Japan |
| 342-0038 | Minami 美南 Minami, Yoshikawa-shi, Saitama 342-0038, Japan |
| 342-0006 | Minamihiroshima 南広島 Minamihiroshima, Yoshikawa-shi, Saitama 342-0006, Japan |
| 342-0027 | Miwanoe 三輪野江 Miwanoe, Yoshikawa-shi, Saitama 342-0027, Japan |
| 342-0055 | Yoshikawa 吉川 Yoshikawa, Yoshikawa-shi, Saitama 342-0055, Japan |
| 342-0054 | Yoshikawadanchi 吉川団地 Yoshikawadanchi, Yoshikawa-shi, Saitama 342-0054, Japan |
| 342-0013 | Yoshiya 吉屋 Yoshiya, Yoshikawa-shi, Saitama 342-0013, 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.