| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Oniwaki, Hokkaido (鬼脇) | 097-0211 |
| Postal/ZIP Codes in Oshidomari, Hokkaido (鴛泊) | 097-0101 |
| Postal/ZIP Codes in Others, Hokkaido (その他) | 097-0100 |
| Postal Codes in Rishiri | |
|---|---|
| Postal/ZIP Codes in Rishiri (利尻町) | |
| Postal/ZIP Codes in Rishirifuji (利尻富士町) | |