| Locality | Post Code |
|---|---|
| Motoyoshicho Inohana (気仙沼市) | 988-0347 |
| Motoyoshicho Ishikawara (気仙沼市) | 988-0268 |
| Motoyoshicho Izumi (気仙沼市) | 988-0339 |
| Motoyoshicho Izumisawa (気仙沼市) | 988-0336 |
| Motoyoshicho Jikiden (気仙沼市) | 988-0261 |
| Motoyoshicho Kamikawauchi (気仙沼市) | 988-0388 |
| Motoyoshicho Kanoko (気仙沼市) | 988-0354 |
| Motoyoshicho Karyo (気仙沼市) | 988-0373 |
| Motoyoshicho Kazakoshi (気仙沼市) | 988-0311 |
| Motoyoshicho Kesaiso (気仙沼市) | 988-0323 |
| Motoyoshicho Kitaakedo (気仙沼市) | 988-0317 |
| Motoyoshicho Kobama (気仙沼市) | 988-0321 |
| Motoyoshicho Kodo (気仙沼市) | 988-0303 |
| Motoyoshicho Koganesawa (気仙沼市) | 988-0285 |
| Motoyoshicho Koganeyama (気仙沼市) | 988-0364 |
| Motoyoshicho Kominezaki (気仙沼市) | 988-0348 |
| Motoyoshicho Kubo (気仙沼市) | 988-0265 |
| Motoyoshicho Kudamaru (気仙沼市) | 988-0275 |