| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Kamiarisu, Iwate (上有住) | 029-2501 |
| Postal/ZIP Codes in Others, Iwate (その他) | 029-2300 |
| Postal/ZIP Codes in Setamai, Iwate (世田米) | 029-2311 |
| Postal/ZIP Codes in Shimoarisu, Iwate (下有住) | 029-2502 |
| Postal Codes in Kesen | |
|---|---|
| Postal/ZIP Codes in Sumita (住田町) | |