Area Codes in Tokyo
| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|---|---|---|---|---|
| 3 | Tokyo | Tokyo Prefecture | 8,336,599 | Japan | Asia/Tokyo |
Nearby Cities
| City | Region | Country | Population | Area Codes | Postal Codes |
|---|---|---|---|---|---|
| Kawaguchi, Saitama | Saitama Prefecture | Japan | 468,565 | 48 | 332, 333, 334, 115 |
| Shimotoda | Saitama Prefecture | Japan | 118,731 | 48 | 335, 351, 360, 350 |
| Tsukishimadōri | Tokyo Prefecture | Japan | — | 952, 954, 9546 | — |
| Wakō, Saitama | Saitama Prefecture | Japan | 77,435 | 48 | 154, 351 |
| Warabi-shi | Saitama Prefecture | Japan | — | 48 | — |