| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Others, Gunma (その他) | 379-1300 |
| Postal/ZIP Codes in Sarugakyoonsen, Gunma (猿ヶ京温泉) | 379-1403 |
| Postal/ZIP Codes in Shimomoku, Gunma (下牧) | 379-1304 |
| Postal/ZIP Codes in Shimozu, Gunma (下津) | 379-1314 |
| Postal/ZIP Codes in Sukawa, Gunma (須川) | 379-1418 |
| Postal/ZIP Codes in Takahinata, Gunma (高日向) | 379-1613 |
| Postal/ZIP Codes in Tanigawa, Gunma (谷川) | 379-1619 |
| Postal/ZIP Codes in Terama, Gunma (寺間) | 379-1614 |
| Postal/ZIP Codes in Tsukiyono, Gunma (月夜野) | 379-1313 |
| Postal/ZIP Codes in Tsunago, Gunma (綱子) | 379-1725 |
| Postal/ZIP Codes in Yogo, Gunma (夜後) | 379-1722 |
| Postal/ZIP Codes in Yoshimoto, Gunma (吉本) | 379-1601 |
| Postal/ZIP Codes in Yubara, Gunma (湯原) | 379-1617 |
| Postal/ZIP Codes in Yubiso, Gunma (湯桧曽) | 379-1728 |
| Postal/ZIP Codes in Yujukuonsen, Gunma (湯宿温泉) | 379-1409 |