| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Benten, Osaka (弁天) | 552-0007 |
| Postal/ZIP Codes in Chikko, Osaka (築港) | 552-0021 |
| Postal/ZIP Codes in Fukuzaki, Osaka (福崎) | 552-0013 |
| Postal/ZIP Codes in Ichioka, Osaka (市岡) | 552-0012 |
| Postal/ZIP Codes in Ichiokamotomachi, Osaka (市岡元町) | 552-0002 |
| Postal/ZIP Codes in Ikejima, Osaka (池島) | 552-0015 |
| Postal/ZIP Codes in Ishida, Osaka (石田) | 552-0006 |
| Postal/ZIP Codes in Isoji, Osaka (磯路) | 552-0003 |
| Postal/ZIP Codes in Kaigandori, Osaka (海岸通) | 552-0022 |
| Postal/ZIP Codes in Kosei, Osaka (港晴) | 552-0023 |
| Postal/ZIP Codes in Minamiichioka, Osaka (南市岡) | 552-0011 |
| Postal/ZIP Codes in Misaki, Osaka (三先) | 552-0016 |
| Postal/ZIP Codes in Namiyoke, Osaka (波除) | 552-0001 |
| Postal/ZIP Codes in Others, Osaka (その他) | 552-0000 |
| Postal/ZIP Codes in Tanaka, Osaka (田中) | 552-0005 |
| Postal/ZIP Codes in Yahataya, Osaka (八幡屋) | 552-0014 |
| Postal/ZIP Codes in Yunagi, Osaka (夕凪) | 552-0004 |