| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Tsukinuno, Yamagata (月布) | 990-1271 |
| Postal/ZIP Codes in Yanagawa, Yamagata (柳川) | 990-1274 |
| Postal/ZIP Codes in Zaimoku, Yamagata (材木) | 990-1142 |
| Postal Codes in Nishimurayama | |
|---|---|
| Postal/ZIP Codes in Asahi (朝日町) | |
| Postal/ZIP Codes in Kahoku (河北町) | |
| Postal/ZIP Codes in Nishikawa (西川町) | |
| Postal/ZIP Codes in Oe (大江町) | |