The Area Codes of Japan:
The 10 most frequently searched cities / regions or area codes:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Akita | 188 (+81 188) |
| 2. | Aomori | 177 (+81 177) |
| 3. | Aomori | 172 (+81 172) |
| 4. | Asahikawa | 166 (+81 166) |
| 5. | Chiba | 43 (+81 43) |
| 6. | Fujisawa | 466 (+81 466) |
| 7. | Fukui | 776 (+81 776) |
| 8. | Fukuoka | 92 (+81 92) |
| 9. | Fukushima | 245 (+81 245) |
| 10. | Fukuyama | 84 (+81 84) |