| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Ekimaedori, Yamagata (駅前通り) | 999-4116 |
| Postal/ZIP Codes in Imashuku, Yamagata (今宿) | 999-4113 |
| Postal/ZIP Codes in Iwagafukuro, Yamagata (岩ケ袋) | 999-4103 |
| Postal/ZIP Codes in Jinengo, Yamagata (次年子) | 999-4141 |
| Postal/ZIP Codes in Kaiya, Yamagata (海谷) | 999-4102 |
| Postal/ZIP Codes in Katsuragicho, Yamagata (桂木町) | 999-4115 |
| Postal/ZIP Codes in Kawamae, Yamagata (川前) | 999-4133 |
| Postal/ZIP Codes in Komagome, Yamagata (駒籠) | 999-4132 |
| Postal/ZIP Codes in Midoricho, Yamagata (緑町) | 999-4112 |
| Postal/ZIP Codes in Oishida, Yamagata (大石田) | 999-4111 |
| Postal/ZIP Codes in Others, Yamagata (その他) | 999-4100 |
| Postal/ZIP Codes in Oura, Yamagata (大浦) | 999-4131 |
| Postal/ZIP Codes in Takanosu, Yamagata (鷹巣) | 999-4101, 999-4554 |
| Postal/ZIP Codes in Tazawa, Yamagata (田沢) | 999-4122 |
| Postal/ZIP Codes in Toyoda, Yamagata (豊田) | 999-4134 |
| Postal/ZIP Codes in Yokkamachi, Yamagata (四日町) | 999-4114 |
| Postal/ZIP Codes in Yokoyama, Yamagata (横山) | 999-4121 |
| Postal Codes in Kitamurayama | |
|---|---|
| Postal/ZIP Codes in Oishida (大石田町) | |