| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Chishima, Osaka (千島) | 551-0003 |
| Postal/ZIP Codes in Funamachi, Osaka (船町) | 551-0022 |
| Postal/ZIP Codes in Hirao, Osaka (平尾) | 551-0012 |
| Postal/ZIP Codes in Izuo, Osaka (泉尾) | 551-0031 |
| Postal/ZIP Codes in Kitamura, Osaka (北村) | 551-0032 |
| Postal/ZIP Codes in Kitaokajima, Osaka (北恩加島) | 551-0033 |
| Postal/ZIP Codes in Kobayashihigashi, Osaka (小林東) | 551-0011 |
| Postal/ZIP Codes in Kobayashinishi, Osaka (小林西) | 551-0013 |
| Postal/ZIP Codes in Minamiokajima, Osaka (南恩加島) | 551-0021 |
| Postal/ZIP Codes in Others, Osaka (その他) | 551-0000 |
| Postal/ZIP Codes in Sangenyahigashi, Osaka (三軒家東) | 551-0002 |
| Postal/ZIP Codes in Sangenyanishi, Osaka (三軒家西) | 551-0001 |
| Postal/ZIP Codes in Tsurumachi, Osaka (鶴町) | 551-0023 |