| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Ajigawa, Osaka (安治川) | 550-0026 |
| Postal/ZIP Codes in Awaza, Osaka (阿波座) | 550-0011 |
| Postal/ZIP Codes in Chiyozaki, Osaka (千代崎) | 550-0023 |
| Postal/ZIP Codes in Edobori, Osaka (江戸堀) | 550-0002 |
| Postal/ZIP Codes in Enokojima, Osaka (江之子島) | 550-0006 |
| Postal/ZIP Codes in Honden, Osaka (本田) | 550-0022 |
| Postal/ZIP Codes in Itachibori, Osaka (立売堀) | 550-0012 |
| Postal/ZIP Codes in Kawaguchi, Osaka (川口) | 550-0021 |
| Postal/ZIP Codes in Kitahorie, Osaka (北堀江) | 550-0014 |
| Postal/ZIP Codes in Kujo, Osaka (九条) | 550-0027 |
| Postal/ZIP Codes in Kujominami, Osaka (九条南) | 550-0025 |
| Postal/ZIP Codes in Kyomachibori, Osaka (京町堀) | 550-0003 |
| Postal/ZIP Codes in Minamihorie, Osaka (南堀江) | 550-0015 |
| Postal/ZIP Codes in Nishihommachi, Osaka (西本町) | 550-0005 |
| Postal/ZIP Codes in Others, Osaka (その他) | 550-0000 |
| Postal/ZIP Codes in Sakaigawa, Osaka (境川) | 550-0024 |
| Postal/ZIP Codes in Shimmachi, Osaka (新町) | 550-0013 |
| Postal/ZIP Codes in Tosabori, Osaka (土佐堀) | 550-0001 |
| Postal/ZIP Codes in Utsubohommachi, Osaka (靱本町) | 550-0004 |