| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Eguchi, Gunma (江口) | 370-0706 |
| Postal/ZIP Codes in Irikaya, Gunma (入ケ谷) | 370-0711 |
| Postal/ZIP Codes in Kamieguro, Gunma (上江黒) | 370-0702 |
| Postal/ZIP Codes in Kawamata, Gunma (川俣) | 370-0716 |
| Postal/ZIP Codes in Minamioshima, Gunma (南大島) | 370-0701 |
| Postal/ZIP Codes in Nakaya, Gunma (中谷) | 370-0713 |
| Postal/ZIP Codes in Nissato, Gunma (新里) | 370-0708 |
| Postal/ZIP Codes in Others, Gunma (その他) | 370-0700 |
| Postal/ZIP Codes in Owa, Gunma (大輪) | 370-0718 |
| Postal/ZIP Codes in Ozanuki, Gunma (大佐貫) | 370-0715 |
| Postal/ZIP Codes in Senzui, Gunma (千津井) | 370-0705 |
| Postal/ZIP Codes in Shimoeguro, Gunma (下江黒) | 370-0703 |
| Postal/ZIP Codes in Suka, Gunma (須賀) | 370-0717 |
| Postal/ZIP Codes in Tajima, Gunma (田島) | 370-0707 |
| Postal/ZIP Codes in Togota, Gunma (斗合田) | 370-0704 |
| Postal/ZIP Codes in Umebara, Gunma (梅原) | 370-0714 |
| Postal/ZIP Codes in Yajima, Gunma (矢島) | 370-0712 |