| Locality | Post Code |
|---|---|
| Minatocho (石巻市) | 986-0025 |
| Minowada (石巻市) | 986-0124 |
| Misono (石巻市) | 986-0033 |
| Mitsumata (石巻市) | 986-0858 |
| Mitsuwacho (石巻市) | 986-2111 |
| Mizunuma (石巻市) | 986-0001 |
| Mizuoshi (石巻市) | 986-0803 |
| Momonora (石巻市) | 986-2353 |
| Monocho Jonai (石巻市) | 986-0312 |
| Monocho Kandori (石巻市) | 986-0323 |
| Monocho Kashizaki (石巻市) | 986-0304 |
| Monocho Kurazone (石巻市) | 986-0302 |
| Monocho Kyunimmachi (石巻市) | 986-0322 |
| Monocho Nagai (石巻市) | 986-0303 |
| Monocho Nakatsuyama (石巻市) | 986-0313 |
| Monocho Ota (石巻市) | 986-0311 |
| Monocho Shinden (石巻市) | 986-0321 |
| Monocho Takasuka (石巻市) | 986-0324 |
| Monocho Terasaki (石巻市) | 986-0314 |
| Monocho Ushita (石巻市) | 986-0305 |
| Monocho Wakiya (石巻市) | 986-0301 |
| Motokura (石巻市) | 986-0811 |
| Myojincho (石巻市) | 986-0027 |
| Nagahamacho (石巻市) | 986-2133 |
| Nagaru (石巻市) | 986-2103 |
| Nagatsura (石巻市) | 986-0112 |