Postal codes in Nishi-ku, Osaka-shi, Osaka
大阪府大阪市西区 — 19 postal codes. General code: 550-0000. Local government code 27106.
Address example
1-2-3 Ajigawa, Nishi-ku, Osaka-shi, Osaka 550-0026, Japan
〒550-0026 大阪府大阪市西区安治川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 |
|---|---|
| 550-0000 | (any other address in this municipality) （下に掲載がない場合） Nishi-ku, Osaka-shi, Osaka 550-0000, Japan |
| 550-0026 | Ajigawa 安治川 Ajigawa, Nishi-ku, Osaka-shi, Osaka 550-0026, Japan |
| 550-0011 | Awaza 阿波座 Awaza, Nishi-ku, Osaka-shi, Osaka 550-0011, Japan |
| 550-0012 | Itachibori 立売堀 Itachibori, Nishi-ku, Osaka-shi, Osaka 550-0012, Japan |
| 550-0004 | Utsubohommachi 靱本町 Utsubohommachi, Nishi-ku, Osaka-shi, Osaka 550-0004, Japan |
| 550-0002 | Edobori 江戸堀 Edobori, Nishi-ku, Osaka-shi, Osaka 550-0002, Japan |
| 550-0006 | Enokojima 江之子島 Enokojima, Nishi-ku, Osaka-shi, Osaka 550-0006, Japan |
| 550-0021 | Kawaguchi 川口 Kawaguchi, Nishi-ku, Osaka-shi, Osaka 550-0021, Japan |
| 550-0014 | Kitahorie 北堀江 Kitahorie, Nishi-ku, Osaka-shi, Osaka 550-0014, Japan |
| 550-0003 | Kyomachibori 京町堀 Kyomachibori, Nishi-ku, Osaka-shi, Osaka 550-0003, Japan |
| 550-0027 | Kujo 九条 Kujo, Nishi-ku, Osaka-shi, Osaka 550-0027, Japan |
| 550-0025 | Kujominami 九条南 Kujominami, Nishi-ku, Osaka-shi, Osaka 550-0025, Japan |
| 550-0024 | Sakaigawa 境川 Sakaigawa, Nishi-ku, Osaka-shi, Osaka 550-0024, Japan |
| 550-0013 | Shimmachi 新町 Shimmachi, Nishi-ku, Osaka-shi, Osaka 550-0013, Japan |
| 550-0023 | Chiyozaki 千代崎 Chiyozaki, Nishi-ku, Osaka-shi, Osaka 550-0023, Japan |
| 550-0001 | Tosabori 土佐堀 Tosabori, Nishi-ku, Osaka-shi, Osaka 550-0001, Japan |
| 550-0005 | Nishihommachi 西本町 Nishihommachi, Nishi-ku, Osaka-shi, Osaka 550-0005, Japan |
| 550-0022 | Honden 本田 Honden, Nishi-ku, Osaka-shi, Osaka 550-0022, Japan |
| 550-0015 | Minamihorie 南堀江 Minamihorie, Nishi-ku, Osaka-shi, Osaka 550-0015, 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.