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