| Locality | Post Code |
|---|---|
| Others (米沢市) | 992-0000 |
| Rinsenji (米沢市) | 992-0062 |
| Rokugomachi Hitotsurushi (米沢市) | 992-0095 |
| Rokugomachi Kiribara (米沢市) | 992-0091 |
| Rokugomachi Nagahashi (米沢市) | 992-0096 |
| Rokugomachi Nishiemata (米沢市) | 992-0092 |
| Rokugomachi Nishifujiizumi (米沢市) | 992-0093 |
| Rokugomachi Todoroki (米沢市) | 992-0094 |
| Sakaemachi (米沢市) | 992-0013 |
| Sakuragicho (米沢市) | 992-0017 |
| Sasano (米沢市) | 992-1443 |
| Sasanohoncho (米沢市) | 992-1445 |
| Sasanomachi (米沢市) | 992-1441 |
| Seki (米沢市) | 992-1472 |
| Sekimachi (米沢市) | 992-1473 |
| Sekine (米沢市) | 992-1205 |
| Shimohanazawa (米沢市) | 992-0023 |
| Shimokosuge (米沢市) | 992-0081 |
| Shimoniida (米沢市) | 992-0111 |
| Shinobumachi (米沢市) | 992-0046 |
| Shioimachi Miyai (米沢市) | 992-0041 |
| Shioimachi Shiono (米沢市) | 992-0042 |
| Shiono (米沢市) | 992-0043 |
| Shobutsumachi (米沢市) | 992-1444 |
| Suginomemachi (米沢市) | 992-0064 |
| Sumomoyama (米沢市) | 992-1461 |