| Locality | Post Code |
|---|---|
| Minamihango (山形市) | 990-2306 |
| Minamiharamachi (山形市) | 990-2413 |
| Minamiishizeki (山形市) | 990-0836 |
| Minamimatsubara (山形市) | 990-2312 |
| Minamishitoda (山形市) | 990-0879 |
| Minorigaoka (山形市) | 990-2372 |
| Misaki (山形市) | 990-0803 |
| Misakikawara (山形市) | 990-0802 |
| Miyamachi (山形市) | 990-0057 |
| Miyaura (山形市) | 990-0848 |
| Monden (山形市) | 990-2342 |
| Motoki (山形市) | 990-2447 |
| Muikamachi (山形市) | 990-0054 |
| Mukaishinden (山形市) | 990-0895 |
| Murakizawa (山形市) | 990-2371 |
| Myojimmae (山形市) | 990-2472 |
| Myokenji (山形市) | 990-0011 |
| Nagamachi (山形市) | 990-0811 |
| Naganawashiro (山形市) | 990-2477 |
| Nakano (山形市) | 990-0892 |
| Nakanome (山形市) | 990-2175 |
| Nakanuma (山形市) | 990-0849 |
| Nakasakurada (山形市) | 990-2422 |
| Nakazato (山形市) | 990-2235 |
| Namekawa (山形市) | 990-0014 |
| Namiyanagi (山形市) | 990-2386 |