| Place | Post Code |
|---|---|
| 田井 (Dai, Yamagata) | 999-3521 |
| 畑中 (Hatakenaka, Yamagata) | 999-3531 |
| 岩木 (Iwaki, Yamagata) | 999-3503 |
| 溝延 (Mizonobe, Yamagata) | 999-3522 |
| 西里 (Nishizato, Yamagata) | 999-3533 |
| その他 (Others, Yamagata) | 999-3500 |
| 新吉田 (Shinyoshida, Yamagata) | 999-3501 |
| 造山 (Tsukuriyama, Yamagata) | 999-3532 |
| 谷地 (Yachi, Yamagata) | 999-3511 |
| 谷地荒町東 (Yachiaramachihigashi, Yamagata) | 999-3515 |
| 谷地中央 (Yachichuo, Yamagata) | 999-3512 |
| 谷地ひな市 (Yachihinaichi, Yamagata) | 999-3514 |
| 谷地所岡 (Yachitokoroka, Yamagata) | 999-3513 |
| 吉田 (Yoshida, Yamagata) | 999-3502 |
| Postal Codes in Nishimurayama | |
|---|---|
| Asahi (朝日町) | |
| Kahoku (河北町) | |
| Nishikawa (西川町) | |
| Oe (大江町) | |