| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Aibara, Gunma (相原) | 370-1511 |
| Postal/ZIP Codes in Aonashi, Gunma (青梨) | 370-1512 |
| Postal/ZIP Codes in Aso, Gunma (麻生) | 370-1502 |
| Postal/ZIP Codes in Funako, Gunma (船子) | 370-1515 |
| Postal/ZIP Codes in Hebara, Gunma (平原) | 370-1603 |
| Postal/ZIP Codes in Kagahara, Gunma (神ケ原) | 370-1602 |
| Postal/ZIP Codes in Kashiwagi, Gunma (柏木) | 370-1501 |
| Postal/ZIP Codes in Kodaira, Gunma (小平) | 370-1513 |
| Postal/ZIP Codes in Kuroda, Gunma (黒田) | 370-1506 |
| Postal/ZIP Codes in Mamba, Gunma (万場) | 370-1504 |
| Postal/ZIP Codes in Morido, Gunma (森戸) | 370-1505 |
| Postal/ZIP Codes in Others, Gunma (その他) | 370-1600 |
| Postal/ZIP Codes in Ozuku, Gunma (尾附) | 370-1604 |
| Postal/ZIP Codes in Shiozawa, Gunma (塩沢) | 370-1514 |
| Postal/ZIP Codes in Shori, Gunma (生利) | 370-1503 |
| Postal/ZIP Codes in Yono, Gunma (魚尾) | 370-1601 |
| Postal Codes in Tano | |
|---|---|
| Postal/ZIP Codes in Kanna (神流町) | |
| Postal/ZIP Codes in Ueno (上野村) | |