| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Ikuta, Nagano (生田) | 399-3302 |
| Postal/ZIP Codes in Kamikatagiri, Nagano (上片桐) | 399-3301 |
| Postal/ZIP Codes in Motoojima, Nagano (元大島) | 399-3303 |
| Postal/ZIP Codes in Ojima, Nagano (大島) | 399-3304 |
| Postal/ZIP Codes in Others, Nagano (その他) | 399-3300 |