| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Tomeoka, Hokkaido (留岡) | 099-0408 |
| Postal/ZIP Codes in Toyosato, Hokkaido (豊里) | 099-0412 |
| Postal/ZIP Codes in Wakamatsu, Hokkaido (若松) | 099-0423 |
| Postal/ZIP Codes in Wakasakunai, Hokkaido (若咲内) | 099-0346 |
| Postal/ZIP Codes in Yunosato, Hokkaido (湯の里) | 099-0345 |