| Place | Post Code |
|---|---|
| 合海 (Aikai, Yamagata) | 996-0211 |
| 赤松 (Akamatsu, Yamagata) | 996-0213 |
| 南山 (Minamiyama, Yamagata) | 996-0201 |
| その他 (Others, Yamagata) | 996-0200 |
| 清水 (Shimizu, Yamagata) | 996-0212 |
| Postal Codes in Mogami | |
|---|---|
| Funagata (舟形町) | |
| Kaneyama (金山町) | |
| Mamurogawa (真室川町) | |
| Mogami (最上町) | |
| Okura (大蔵村) | |
| Sakegawa (鮭川村) | |
| Tozawa (戸沢村) | |