Postal codes in Ogawa-machi, Hiki-gun, Saitama
埼玉県秩父郡東秩父村 — 8 postal codes. General code: 355-0300. Local government code 11369.
Address example
1-2-3 Ouchizawa, Ogawa-machi, Hiki-gun, Saitama 355-0371, Japan
〒355-0371 埼玉県秩父郡東秩父村大内沢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 |
|---|---|
| 355-0300 | (any other address in this municipality) （下に掲載がない場合） Ogawa-machi, Hiki-gun, Saitama 355-0300, Japan |
| 355-0371 | Ouchizawa 大内沢 Ouchizawa, Ogawa-machi, Hiki-gun, Saitama 355-0371, Japan |
| 355-0373 | Okusawa 奥沢 Okusawa, Ogawa-machi, Hiki-gun, Saitama 355-0373, Japan |
| 355-0376 | Kaiya 皆谷 Kaiya, Ogawa-machi, Hiki-gun, Saitama 355-0376, Japan |
| 355-0372 | Sakamoto 坂本 Sakamoto, Ogawa-machi, Hiki-gun, Saitama 355-0372, Japan |
| 355-0377 | Shiroishi 白石 Shiroishi, Ogawa-machi, Hiki-gun, Saitama 355-0377, Japan |
| 355-0375 | Mido 御堂 Mido, Ogawa-machi, Hiki-gun, Saitama 355-0375, Japan |
| 355-0374 | Yasudo 安戸 Yasudo, Ogawa-machi, Hiki-gun, Saitama 355-0374, 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.