| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Chibune, Osaka (千舟) | 555-0013 |
| Postal/ZIP Codes in Dekijima, Osaka (出来島) | 555-0031 |
| Postal/ZIP Codes in Fukumachi, Osaka (福町) | 555-0034 |
| Postal/ZIP Codes in Hanakawa, Osaka (花川) | 555-0023 |
| Postal/ZIP Codes in Himesato, Osaka (姫里) | 555-0025 |
| Postal/ZIP Codes in Himeshima, Osaka (姫島) | 555-0033 |
| Postal/ZIP Codes in Hyakushima, Osaka (百島) | 555-0044 |
| Postal/ZIP Codes in Kashiwazato, Osaka (柏里) | 555-0022 |
| Postal/ZIP Codes in Mitejima, Osaka (御幣島) | 555-0012 |
| Postal/ZIP Codes in Nakashima, Osaka (中島) | 555-0041 |
| Postal/ZIP Codes in Nishishima, Osaka (西島) | 555-0042 |
| Postal/ZIP Codes in Nozato, Osaka (野里) | 555-0024 |
| Postal/ZIP Codes in Ono, Osaka (大野) | 555-0043 |
| Postal/ZIP Codes in Others, Osaka (その他) | 555-0000 |
| Postal/ZIP Codes in Owada, Osaka (大和田) | 555-0032 |
| Postal/ZIP Codes in Takeshima, Osaka (竹島) | 555-0011 |
| Postal/ZIP Codes in Tsukuda, Osaka (佃) | 555-0001 |
| Postal/ZIP Codes in Utajima, Osaka (歌島) | 555-0021 |