| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Akaigawa, Hokkaido (赤井川) | 046-0501 |
| Postal/ZIP Codes in Asahioka, Hokkaido (旭丘) | 046-0531 |
| Postal/ZIP Codes in Hinode, Hokkaido (日ノ出) | 046-0511 |
| Postal/ZIP Codes in Ikeda, Hokkaido (池田) | 046-0521 |
| Postal/ZIP Codes in Magarikawa, Hokkaido (曲川) | 046-0542 |
| Postal/ZIP Codes in Meiji, Hokkaido (明治) | 046-0552 |
| Postal/ZIP Codes in Miyako, Hokkaido (都) | 046-0541 |
| Postal/ZIP Codes in Ochiai, Hokkaido (落合) | 046-0561 |
| Postal/ZIP Codes in Others, Hokkaido (その他) | 046-0500 |
| Postal/ZIP Codes in Todoroki, Hokkaido (轟) | 046-0551 |
| Postal/ZIP Codes in Tokiwa, Hokkaido (常盤) | 046-0571 |
| Postal/ZIP Codes in Tomita, Hokkaido (富田) | 046-0532 |
| Postal/ZIP Codes in Yamanashi, Hokkaido (山梨) | 046-0512 |
| Postal Codes in Yoichi | |
|---|---|
| Postal/ZIP Codes in Akaigawa (赤井川村) | |
| Postal/ZIP Codes in Yoichi (余市町) | |
| Postal/ZIP Codes in Niki (仁木町) | |