| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Higashijo, Nagano (東条) | 399-7502 |
| Postal/ZIP Codes in Midarehashi, Nagano (乱橋) | 399-7504 |
| Postal/ZIP Codes in Nishijo, Nagano (西条) | 399-7501 |
| Postal/ZIP Codes in Osawashinden, Nagano (大沢新田) | 399-7503 |
| Postal/ZIP Codes in Others, Nagano (その他) | 399-7500 |
| Postal/ZIP Codes in Sakai, Nagano (坂井) | 399-7711 |
| Postal/ZIP Codes in Sakakita, Nagano (坂北) | 399-7601 |