| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Jorai, Hokkaido (上雷) | 049-1107 |
| Postal/ZIP Codes in Kotaniishi, Hokkaido (小谷石) | 049-1105 |
| Postal/ZIP Codes in Morikoshi, Hokkaido (森越) | 049-1102 |
| Postal/ZIP Codes in Motomachi, Hokkaido (元町) | 049-1106 |
| Postal/ZIP Codes in Nakanokawa, Hokkaido (中ノ川) | 049-1101 |
| Postal/ZIP Codes in Omonai, Hokkaido (重内) | 049-1103 |
| Postal/ZIP Codes in Others, Hokkaido (その他) | 049-1100 |
| Postal/ZIP Codes in Wakimoto, Hokkaido (涌元) | 049-1104 |
| Postal/ZIP Codes in Yunosato, Hokkaido (湯ノ里) | 049-1221 |
| Postal Codes in Kamiiso | |
|---|---|
| Postal/ZIP Codes in Shiriuchi (知内町) | |
| Postal/ZIP Codes in Kikonai (木古内町) | |