| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|
| 19 | Morioka | Iwate Prefecture | 295,172 | Japan | Asia/Tokyo |
| 191 | Ichinoseki, Iwate | Iwate Prefecture | 62,970 | Japan | Asia/Tokyo |
| 192 | Ōfunato | Iwate Prefecture | 35,418 | Japan | Asia/Tokyo |
| 193 | Miyako, Iwate | Iwate Prefecture | 51,721 | Japan | Asia/Tokyo |
| 194 | Kuji, Iwate | Iwate Prefecture | — | Japan | Asia/Tokyo |
| 195 | Ninohe, Iwate | Iwate Prefecture | — | Japan | Asia/Tokyo |
| 197 | Kitakami, Iwate | Iwate Prefecture | 93,854 | Japan | Asia/Tokyo |
| 198 | Hanamaki, Iwate | Iwate Prefecture | 73,115 | Japan | Asia/Tokyo |
| 277 | Kiryū, Gunma | Gunma Prefecture | 110,219 | Japan | Asia/Tokyo |