| Locality | Postal Code |
|---|---|
| Hanayama Kusakisawa (栗原市) | 987-2512 |
| Hanayama Kusakisawa Uwahara (栗原市) | 989-6701 |
| Ichihasama Aoki (栗原市) | 987-2372 |
| Ichihasama Aramachi (栗原市) | 987-2369 |
| Ichihasama Arayashiki (栗原市) | 987-2336 |
| Ichihasama Daigiwa (栗原市) | 987-2349 |
| Ichihasama Fudonishi (栗原市) | 987-2373 |
| Ichihasama Hagiu (栗原市) | 987-2331 |
| Ichihasama Hinata (栗原市) | 987-2338 |
| Ichihasama Hiradate (栗原市) | 987-2347 |
| Ichihasama Hosogoe (栗原市) | 987-2329 |
| Ichihasama Ipponsugi (栗原市) | 987-2343 |
| Ichihasama Iwagasawa (栗原市) | 987-2364 |
| Ichihasama Kajiyashiki (栗原市) | 987-2355 |
| Ichihasama Kamikubo (栗原市) | 987-2353 |
| Ichihasama Kaminakajima (栗原市) | 987-2339 |
| Ichihasama Kamiodo (栗原市) | 987-2367 |
| Ichihasama Katagozawa (栗原市) | 987-2302 |
| Ichihasama Kawadai (栗原市) | 987-2371 |
| Ichihasama Kawaguchi (栗原市) | 987-2303 |
| Ichihasama Kenguimoto (栗原市) | 987-2315 |
| Ichihasama Kitazawa (栗原市) | 987-2304 |
| Ichihasama Kitsunezaki (栗原市) | 987-2305 |
| Ichihasama Kosakamoto (栗原市) | 987-2316 |
| Ichihasama Kubota (栗原市) | 987-2317 |
| Ichihasama Masaka (栗原市) | 987-2308 |