| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Jimba, Gunma (陣場) | 370-3603 |
| Postal/ZIP Codes in Kaminoda, Gunma (上野田) | 370-3606 |
| Postal/ZIP Codes in Kitashimo, Gunma (北下) | 370-3605 |
| Postal/ZIP Codes in Minamishimo, Gunma (南下) | 370-3604 |
| Postal/ZIP Codes in Ogura, Gunma (小倉) | 370-3607 |
| Postal/ZIP Codes in Okubo, Gunma (大久保) | 370-3602 |
| Postal/ZIP Codes in Others, Gunma (その他) | 370-3600 |
| Postal/ZIP Codes in Shimonoda, Gunma (下野田) | 370-3608 |
| Postal/ZIP Codes in Urushibara, Gunma (漆原) | 370-3601 |
| Postal Codes in Kitagumma | |
|---|---|
| Postal/ZIP Codes in Yoshioka (吉岡町) | |
| Postal/ZIP Codes in Shinto (榛東村) | |