Postal codes in Seya-ku, Yokohama-shi, Kanagawa
神奈川県横浜市瀬谷区 — 26 postal codes. General code: 246-0000. Local government code 14114.
Address example
1-2-3 Aizawa, Seya-ku, Yokohama-shi, Kanagawa 246-0013, Japan
〒246-0013 神奈川県横浜市瀬谷区相沢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 |
|---|---|
| 246-0000 | (any other address in this municipality) （下に掲載がない場合） Seya-ku, Yokohama-shi, Kanagawa 246-0000, Japan |
| 246-0013 | Aizawa 相沢 Aizawa, Seya-ku, Yokohama-shi, Kanagawa 246-0013, Japan |
| 246-0023 | Akuwa Higashi 阿久和東 Akuwa Higashi, Seya-ku, Yokohama-shi, Kanagawa 246-0023, Japan |
| 246-0025 | Akuwa Nishi 阿久和西 Akuwa Nishi, Seya-ku, Yokohama-shi, Kanagawa 246-0025, Japan |
| 246-0026 | Akuwa Minami 阿久和南 Akuwa Minami, Seya-ku, Yokohama-shi, Kanagawa 246-0026, Japan |
| 246-0012 | Azumano 東野 Azumano, Seya-ku, Yokohama-shi, Kanagawa 246-0012, Japan |
| 246-0011 | Azumanodai 東野台 Azumanodai, Seya-ku, Yokohama-shi, Kanagawa 246-0011, Japan |
| 246-0001 | Oroshihoncho 卸本町 Oroshihoncho, Seya-ku, Yokohama-shi, Kanagawa 246-0001, Japan |
| 246-0006 | Kamiseyacho 上瀬谷町 Kamiseyacho, Seya-ku, Yokohama-shi, Kanagawa 246-0006, Japan |
| 246-0036 | Kitashin 北新 Kitashin, Seya-ku, Yokohama-shi, Kanagawa 246-0036, Japan |
| 246-0002 | Kitamachi 北町 Kitamachi, Seya-ku, Yokohama-shi, Kanagawa 246-0002, Japan |
| 246-0008 | Gokammecho 五貫目町 Gokammecho, Seya-ku, Yokohama-shi, Kanagawa 246-0008, Japan |
| 246-0035 | Shimoseya 下瀬谷 Shimoseya, Seya-ku, Yokohama-shi, Kanagawa 246-0035, Japan |
| 246-0031 | Seya 瀬谷 Seya, Seya-ku, Yokohama-shi, Kanagawa 246-0031, Japan |
| 246-0003 | Seyacho 瀬谷町 Seyacho, Seya-ku, Yokohama-shi, Kanagawa 246-0003, Japan |
| 246-0005 | Takemuracho 竹村町 Takemuracho, Seya-ku, Yokohama-shi, Kanagawa 246-0005, Japan |
| 246-0014 | Chuo 中央 Chuo, Seya-ku, Yokohama-shi, Kanagawa 246-0014, Japan |
| 246-0004 | Nakayashiki 中屋敷 Nakayashiki, Seya-ku, Yokohama-shi, Kanagawa 246-0004, Japan |
| 246-0037 | Hashido 橋戸 Hashido, Seya-ku, Yokohama-shi, Kanagawa 246-0037, Japan |
| 246-0021 | Futatsubashicho 二ツ橋町 Futatsubashicho, Seya-ku, Yokohama-shi, Kanagawa 246-0021, Japan |
| 246-0015 | Hongo 本郷 Hongo, Seya-ku, Yokohama-shi, Kanagawa 246-0015, Japan |
| 246-0022 | Mitsukyo 三ツ境 Mitsukyo, Seya-ku, Yokohama-shi, Kanagawa 246-0022, Japan |
| 246-0034 | Minamiseya 南瀬谷 Minamiseya, Seya-ku, Yokohama-shi, Kanagawa 246-0034, Japan |
| 246-0032 | Minamidai 南台 Minamidai, Seya-ku, Yokohama-shi, Kanagawa 246-0032, Japan |
| 246-0038 | Miyazawa 宮沢 Miyazawa, Seya-ku, Yokohama-shi, Kanagawa 246-0038, Japan |
| 246-0007 | Megurocho 目黒町 Megurocho, Seya-ku, Yokohama-shi, Kanagawa 246-0007, 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.