Postal codes in Chichibu-shi, Saitama
埼玉県秩父郡横瀬町 — 3 postal codes. General code: 368-0000. Local government code 11361.
Address example
1-2-3 Ashigakubo, Chichibu-shi, Saitama 368-0071, Japan
〒368-0071 埼玉県秩父郡横瀬町芦ケ久保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 |
|---|---|
| 368-0000 | (any other address in this municipality) （下に掲載がない場合） Chichibu-shi, Saitama 368-0000, Japan |
| 368-0071 | Ashigakubo 芦ケ久保 Ashigakubo, Chichibu-shi, Saitama 368-0071, Japan |
| 368-0072 | Yokoze 横瀬 Yokoze, Chichibu-shi, Saitama 368-0072, 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.