| Locality | Postal Code |
|---|---|
| Irabu Kuninaka (宮古島市) | 906-0505 |
| Irabu Maesatosoe (宮古島市) | 906-0501 |
| Irabu Nagahama (宮古島市) | 906-0506 |
| Irabu Nakachi (宮古島市) | 906-0504 |
| Irabu Sawada (宮古島市) | 906-0507 |
| Others (宮古島市) | 906-0000 |
| Shimoji Kadekari (宮古島市) | 906-0302 |
| Shimoji Kawamitsu (宮古島市) | 906-0301 |
| Shimoji Kurima (宮古島市) | 906-0306 |
| Shimoji Sugama (宮古島市) | 906-0303 |
| Shimoji Uechi (宮古島市) | 906-0304 |
| Shimoji Yonaha (宮古島市) | 906-0305 |
| Ueno Miyaguni (宮古島市) | 906-0203 |
| Ueno Nobaru (宮古島市) | 906-0201 |
| Ueno Shinzato (宮古島市) | 906-0202 |
| Ueno Ueno (宮古島市) | 906-0204 |