| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Araya, Akita (荒谷) | 017-0204 |
| Postal/ZIP Codes in Daichi, Akita (大地) | 017-0205 |
| Postal/ZIP Codes in Kosaka, Akita (小坂) | 017-0201 |
| Postal/ZIP Codes in Kosakakozan, Akita (小坂鉱山) | 017-0202 |
| Postal/ZIP Codes in Others, Akita (その他) | 017-0200 |
| Postal/ZIP Codes in Towadako, Akita (十和田湖) | 018-5511 |
| Postal/ZIP Codes in Uwamuki, Akita (上向) | 017-0203 |
| Postal Codes in Kazuno | |
|---|---|
| Postal/ZIP Codes in Kosaka (小坂町) | |