| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Katsuyama, Gunma (勝山) | 370-1613 |
| Postal/ZIP Codes in Kawawa, Gunma (川和) | 370-1614 |
| Postal/ZIP Codes in Narahara, Gunma (楢原) | 370-1617 |
| Postal/ZIP Codes in Nippa, Gunma (新羽) | 370-1611 |
| Postal/ZIP Codes in Nogurisawa, Gunma (野栗沢) | 370-1612 |
| Postal/ZIP Codes in Otchi, Gunma (乙父) | 370-1616 |
| Postal/ZIP Codes in Others, Gunma (その他) | 370-1600 |
| Postal/ZIP Codes in Otomo, Gunma (乙母) | 370-1615 |
| Postal Codes in Tano | |
|---|---|
| Postal/ZIP Codes in Kanna (神流町) | |
| Postal/ZIP Codes in Ueno (上野村) | |