| Ortschaft | Postleitzahl |
|---|---|
| Agano (飯能市) | 357-0216 |
| Akanedai (飯能市) | 357-0069 |
| Akazawa (飯能市) | 357-0128 |
| Aoki (飯能市) | 357-0003 |
| Ashikariba (飯能市) | 357-0013 |
| Azu (飯能市) | 357-0046 |
| Azumacho (飯能市) | 357-0034 |
| Hachimancho (飯能市) | 357-0033 |
| Hanno (飯能市) | 357-0063 |
| Haraichiba (飯能市) | 357-0124 |
| Haramachi (飯能市) | 357-0005 |
| Hiramatsu (飯能市) | 357-0014 |
| Hiratto (飯能市) | 357-0211 |
| Honcho (飯能市) | 357-0032 |
| Inaricho (飯能市) | 357-0037 |
| Inoe (飯能市) | 357-0212 |
| Iwabuchi (飯能市) | 357-0048 |
| Iwasawa (飯能市) | 357-0023 |
| Kamiakadakumi (飯能市) | 357-0125 |
| Kamihata (飯能市) | 357-0053 |
| Kaminagasawa (飯能市) | 357-0206 |
| Kaminaguri (飯能市) | 357-0111 |
| Kaminaotake Kamibun (飯能市) | 357-0056 |
| Kaminaotake Shimobun (飯能市) | 357-0055 |
| Karatake (飯能市) | 357-0127 |
| Karo (飯能市) | 357-0051 |