| Locality | Postal Code |
|---|---|
| Fujimidaira (羽村市) | 205-0013 |
| Futabacho (羽村市) | 205-0022 |
| Gonokami (羽村市) | 205-0011 |
| Hane (羽村市) | 205-0012 |
| Hanehigashi (羽村市) | 205-0014 |
| Hanekami (羽村市) | 205-0016 |
| Hanenaka (羽村市) | 205-0015 |
| Hanenishi (羽村市) | 205-0017 |
| Kawasaki (羽村市) | 205-0021 |
| Midorigaoka (羽村市) | 205-0003 |
| Others (羽村市) | 205-0000 |
| Ozakudai (羽村市) | 205-0001 |
| Sakaecho (羽村市) | 205-0002 |
| Shimmeidai (羽村市) | 205-0023 |
| Tamagawa (羽村市) | 205-0024 |