Postal codes in Shiraoka-shi, Saitama
埼玉県白岡市 — 21 postal codes. General code: 349-0200. Local government code 11246.
Address example
1-2-3 Araishinden, Shiraoka-shi, Saitama 349-0202, Japan
〒349-0202 埼玉県白岡市荒井新田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 |
|---|---|
| 349-0200 | (any other address in this municipality) （下に掲載がない場合） Shiraoka-shi, Saitama 349-0200, Japan |
| 349-0202 | Araishinden 荒井新田 Araishinden, Shiraoka-shi, Saitama 349-0202, Japan |
| 349-0225 | Otaarai 太田新井 Otaarai, Shiraoka-shi, Saitama 349-0225, Japan |
| 349-0226 | Okaizumi 岡泉 Okaizumi, Shiraoka-shi, Saitama 349-0226, Japan |
| 349-0221 | Kaminoda 上野田 Kaminoda, Shiraoka-shi, Saitama 349-0221, Japan |
| 349-0217 | Koguki 小久喜 Koguki, Shiraoka-shi, Saitama 349-0217, Japan |
| 349-0216 | Sanagaya 実ケ谷 Sanagaya, Shiraoka-shi, Saitama 349-0216, Japan |
| 349-0204 | Shinozu 篠津 Shinozu, Shiraoka-shi, Saitama 349-0204, Japan |
| 349-0201 | Shibayama 柴山 Shibayama, Shiraoka-shi, Saitama 349-0201, Japan |
| 349-0203 | Shimoosaki 下大崎 Shimoosaki, Shiraoka-shi, Saitama 349-0203, Japan |
| 349-0223 | Shimonoda 下野田 Shimonoda, Shiraoka-shi, Saitama 349-0223, Japan |
| 349-0218 | Shiraoka 白岡 Shiraoka, Shiraoka-shi, Saitama 349-0218, Japan |
| 349-0219 | Shiraokahigashi 白岡東 Shiraokahigashi, Shiraoka-shi, Saitama 349-0219, Japan |
| 349-0212 | Shinshiraoka 新白岡 Shinshiraoka, Shiraoka-shi, Saitama 349-0212, Japan |
| 349-0215 | Sendano 千駄野 Sendano, Shiraoka-shi, Saitama 349-0215, Japan |
| 349-0213 | Takaiwa 高岩 Takaiwa, Shiraoka-shi, Saitama 349-0213, Japan |
| 349-0222 | Tsumetagaya 爪田ケ谷 Tsumetagaya, Shiraoka-shi, Saitama 349-0222, Japan |
| 349-0214 | Teratsuka 寺塚 Teratsuka, Shiraoka-shi, Saitama 349-0214, Japan |
| 349-0205 | Nishi 西 Nishi, Shiraoka-shi, Saitama 349-0205, Japan |
| 349-0224 | Hikobee 彦兵衛 Hikobee, Shiraoka-shi, Saitama 349-0224, Japan |
| 349-0211 | Yagyu 野牛 Yagyu, Shiraoka-shi, Saitama 349-0211, 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.