| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Miasa (大町市) | 399-9101 |
| Postal/ZIP Codes in Omachi (大町市) | 398-0002 |
| Postal/ZIP Codes in Others (大町市) | 398-0000 |
| Postal/ZIP Codes in Taira (大町市) | 398-0001 |
| Postal/ZIP Codes in Tokiwa (大町市) | 398-0004 |
| Postal/ZIP Codes in Yasaka (大町市) | 399-7301 |
| Postal/ZIP Codes in Yasakashobu (大町市) | 399-7302 |
| Postal/ZIP Codes in Yashiro (大町市) | 398-0003 |