| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Mikajiri, Iwate (三ケ尻) | 029-4502 |
| Postal/ZIP Codes in Nagasakae, Iwate (永栄) | 029-4505 |
| Postal/ZIP Codes in Nagasawa, Iwate (永沢) | 029-4504 |
| Postal/ZIP Codes in Nishine, Iwate (西根) | 029-4503 |
| Postal/ZIP Codes in Others, Iwate (その他) | 029-4500 |
| Postal/ZIP Codes in Rokuhara, Iwate (六原) | 029-4501 |
| Postal Codes in Isawa | |
|---|---|
| Postal/ZIP Codes in Kanegasaki (金ケ崎町) | |