| Postal Code | Area | |
|---|---|---|
| 017-0887 | Suimoncho (水門町) | View |
| 017-0888 | Suimonmae (水門前) | View |
| 017-0891 | Nakajo (中城) | View |
| 017-0892 | Katamachi (片町) | View |
| 017-0893 | Keijo (桂城) | View |
| 017-0894 | Uramachi (裏町) | View |
| 017-0895 | Nagakura (長倉) | View |
| 017-0896 | Odate (大館) | View |
| 017-0897 | Sannomaru (三ノ丸) | View |
| 018-3501 | Iwase (岩瀬) | View |
| 018-3502 | Yamada (山田) | View |
| 018-3503 | Sotokawara (外川原) | View |
| 018-3504 | Nagasaka (長坂) | View |
| 018-3505 | Hayaguchi (早口) | View |
| 018-3506 | Yamase (山瀬) | View |
| 018-5601 | Junisho (十二所) | View |
| 018-5602 | Domeki (道目木) | View |
| 018-5603 | Magata (曲田) | View |
| 018-5604 | Karuizawa (軽井沢) | View |
| 018-5605 | Saruma (猿間) | View |