| Place | Post Code |
|---|---|
| 飯喰 (Ikkui, Yamanashi) | 409-3852 |
| 上河東 (Kamigato, Yamanashi) | 409-3862 |
| 紙漉阿原 (Kamisukiawara, Yamanashi) | 409-3861 |
| 河西 (Kasai, Yamanashi) | 409-3851 |
| 河東中島 (Katonakajima, Yamanashi) | 409-3863 |
| 押越 (Oshikoshi, Yamanashi) | 409-3864 |
| その他 (Others, Yamanashi) | 409-3800 |
| 西条 (Saijo, Yamanashi) | 409-3866 |
| 西条新田 (Saijoshinden, Yamanashi) | 409-3865 |
| 清水新居 (Shimizuarai, Yamanashi) | 409-3867 |
| 築地新居 (Tsuijiarai, Yamanashi) | 409-3853 |
| 築地新田 (Tsuijishinden, Yamanashi) | 409-3854 |
| Postal Codes in Nakakoma | |
|---|---|
| Showa (昭和町) | |