| Place | Post Code |
|---|---|
| 東法田 (Higashihoden, Yamagata) | 999-6102 |
| 法田 (Hoden, Yamagata) | 999-6213 |
| 本城 (Honjo, Yamagata) | 999-6104 |
| 黒澤 (Kurosawa, Yamagata) | 999-6103 |
| 満澤 (Mitsuzawa, Yamagata) | 999-6107 |
| 向町 (Mukaimachi, Yamagata) | 999-6101 |
| 大堀 (Ohori, Yamagata) | 999-6211 |
| その他 (Others, Yamagata) | 999-6100 |
| 堺田 (Sakaida, Yamagata) | 999-6106 |
| 瀬見 (Semi, Yamagata) | 999-6211 |
| 志茂 (Shimo, Yamagata) | 999-6212 |
| 富澤 (Tomisawa, Yamagata) | 999-6105 |
| 月楯 (Tsukidate, Yamagata) | 999-6215 |
| 若宮 (Wakamiya, Yamagata) | 999-6214 |
| 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) | |