List of All Postal Codes in Utashinai | ||
|---|---|---|
| Postal Code Code | Postal Code Name | Prefecture |
| 073-0400 | Ikanikeisaiganaibaai | Hokkaido Prefecture |
| 073-0401 | Kamiuta | Hokkaido Prefecture |
| 073-0402 | Toko | Hokkaido Prefecture |
| 073-0403 | Honcho | Hokkaido Prefecture |
| 073-0404 | Kashin | Hokkaido Prefecture |
| 073-0405 | Kamoi | Hokkaido Prefecture |
| 073-0406 | Nakamura | Hokkaido Prefecture |
| 073-0407 | Monju | Hokkaido Prefecture |