| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Asahino, Gunma (朝日野) | 374-0112 |
| Postal/ZIP Codes in Ebise, Gunma (海老瀬) | 374-0111 |
| Postal/ZIP Codes in Hanare, Gunma (離) | 374-0102 |
| Postal/ZIP Codes in Hosoya, Gunma (細谷) | 374-0103 |
| Postal/ZIP Codes in Iino, Gunma (飯野) | 374-0123 |
| Postal/ZIP Codes in Itakura, Gunma (板倉) | 374-0132 |
| Postal/ZIP Codes in Iwata, Gunma (岩田) | 374-0133 |
| Postal/ZIP Codes in Izumino, Gunma (泉野) | 374-0113 |
| Postal/ZIP Codes in Momiya, Gunma (籾谷) | 374-0134 |
| Postal/ZIP Codes in Nishioka, Gunma (西岡) | 374-0107 |
| Postal/ZIP Codes in Nishiokashinden, Gunma (西岡新田) | 374-0106 |
| Postal/ZIP Codes in Okura, Gunma (大蔵) | 374-0131 |
| Postal/ZIP Codes in Omagari, Gunma (大曲) | 374-0105 |
| Postal/ZIP Codes in Onimba, Gunma (大荷場) | 374-0104 |
| Postal/ZIP Codes in Otakashima, Gunma (大高嶋) | 374-0122 |
| Postal/ZIP Codes in Others, Gunma (その他) | 374-0100 |
| Postal/ZIP Codes in Shimogoka, Gunma (下五箇) | 374-0121 |
| Postal/ZIP Codes in Uchikurashinden, Gunma (内蔵新田) | 374-0135 |
| Postal/ZIP Codes in Yokegawa, Gunma (除川) | 374-0101 |