| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|
| 799 | Mihara, Hiroshima | Hiroshima Prefecture | 80,387 | Japan | Asia/Tokyo |
| 82 | Hiroshima | Hiroshima Prefecture | 1,143,841 | Japan | Asia/Tokyo |
| 8207 | Ninoshimachō | Hiroshima Prefecture | — | Japan | Asia/Tokyo |
| 823 | Toyota, Aichi | Aichi Prefecture | 362,383 | Japan | Asia/Tokyo |
| 824 | Toyota, Aichi | Aichi Prefecture | 362,383 | Japan | Asia/Tokyo |
| 8247 | Shōbara, Hiroshima | Hiroshima Prefecture | 20,527 | Japan | Asia/Tokyo |
| 82488 | Shōbara, Hiroshima | Hiroshima Prefecture | 20,527 | Japan | Asia/Tokyo |
| 826 | Yamagata | Yamagata Prefecture | 254,538 | Japan | Asia/Tokyo |
| 846 | Toyota, Aichi | Aichi Prefecture | 362,383 | Japan | Asia/Tokyo |
| 847 | Fukuyama, Hiroshima | Hiroshima Prefecture | 383,298 | Japan | Asia/Tokyo |
| 848 | Toyota, Aichi | Aichi Prefecture | 362,383 | Japan | Asia/Tokyo |
| 849 | Fukuyama, Hiroshima | Hiroshima Prefecture | 383,298 | Japan | Asia/Tokyo |
| 997 | Naze, Kagoshima | Kagoshima Prefecture | 41,365 | Japan | Asia/Tokyo |
| 9977 | Higashihiroshima | Hiroshima Prefecture | — | Japan | Asia/Tokyo |