Postal codes in Oiso-machi, Naka-gun, Kanagawa
神奈川県中郡大磯町 — 15 postal codes. General code: 255-0000. Local government code 14341.
Address example
1-2-3 Ikusawa, Oiso-machi, Naka-gun, Kanagawa 259-0102, Japan
〒259-0102 神奈川県中郡大磯町生沢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 |
|---|---|
| 255-0000 | (any other address in this municipality) （下に掲載がない場合） Oiso-machi, Naka-gun, Kanagawa 255-0000, Japan |
| 259-0102 | Ikusawa 生沢 Ikusawa, Oiso-machi, Naka-gun, Kanagawa 259-0102, Japan |
| 259-0113 | Ishigamidai 石神台 Ishigamidai, Oiso-machi, Naka-gun, Kanagawa 259-0113, Japan |
| 255-0003 | Oiso 大磯 Oiso, Oiso-machi, Naka-gun, Kanagawa 255-0003, Japan |
| 259-0114 | Gakkyo 月京 Gakkyo, Oiso-machi, Naka-gun, Kanagawa 259-0114, Japan |
| 259-0105 | Kuroiwa 黒岩 Kuroiwa, Oiso-machi, Naka-gun, Kanagawa 259-0105, Japan |
| 259-0112 | Kokufushinshuku 国府新宿 Kokufushinshuku, Oiso-machi, Naka-gun, Kanagawa 259-0112, Japan |
| 259-0111 | Kokufuhongo 国府本郷 Kokufuhongo, Oiso-machi, Naka-gun, Kanagawa 259-0111, Japan |
| 255-0001 | Koma 高麗 Koma, Oiso-machi, Naka-gun, Kanagawa 255-0001, Japan |
| 259-0101 | Terasaka 寺坂 Terasaka, Oiso-machi, Naka-gun, Kanagawa 259-0101, Japan |
| 259-0104 | Nishikubo 西久保 Nishikubo, Oiso-machi, Naka-gun, Kanagawa 259-0104, Japan |
| 255-0005 | Nishikoiso 西小磯 Nishikoiso, Oiso-machi, Naka-gun, Kanagawa 255-0005, Japan |
| 255-0004 | Higashikoiso 東小磯 Higashikoiso, Oiso-machi, Naka-gun, Kanagawa 255-0004, Japan |
| 255-0002 | Higashicho 東町 Higashicho, Oiso-machi, Naka-gun, Kanagawa 255-0002, Japan |
| 259-0103 | Mushikubo 虫窪 Mushikubo, Oiso-machi, Naka-gun, Kanagawa 259-0103, 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.