| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Iojima, Kagoshima (硫黄島) | 890-0901 |
| Postal/ZIP Codes in Kuroshima, Kagoshima (黒島) | 890-0902 |
| Postal/ZIP Codes in Others, Kagoshima (その他) | 890-0000 |
| Postal/ZIP Codes in Takeshima, Kagoshima (竹島) | 890-0903 |
| Postal Codes in Kagoshima | |
|---|---|
| Postal/ZIP Codes in Mishima (三島村) | |
| Postal/ZIP Codes in Toshima (十島村) | |