| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Bussha, Akita (仏社) | 018-4423 |
| Postal/ZIP Codes in Dogawa, Akita (堂川) | 018-4422 |
| Postal/ZIP Codes in Fukudate, Akita (福舘) | 018-4411 |
| Postal/ZIP Codes in Gotanzawa, Akita (五反沢) | 018-4412 |
| Postal/ZIP Codes in Kosawada, Akita (小沢田) | 018-4421 |
| Postal/ZIP Codes in Minamizawa, Akita (南沢) | 018-4432 |
| Postal/ZIP Codes in Obayashi, Akita (大林) | 018-4431 |
| Postal/ZIP Codes in Okitaomote, Akita (沖田面) | 018-4401 |
| Postal/ZIP Codes in Others, Akita (その他) | 018-4400 |
| Postal/ZIP Codes in Sugihana, Akita (杉花) | 018-4413 |
| Postal Codes in Kitaakita | |
|---|---|
| Postal/ZIP Codes in Kamikoani (上小阿仁村) | |