Area Codes in Oyama
| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|---|---|---|---|---|
| 280 | Oyama, Tochigi | Tochigi Prefecture | 159,936 | Japan | Asia/Tokyo |
| 282 | Oyama, Tochigi | Tochigi Prefecture | 159,936 | Japan | Asia/Tokyo |
| 285 | Oyama, Tochigi | Tochigi Prefecture | 159,936 | Japan | Asia/Tokyo |
| 296 | Oyama, Tochigi | Tochigi Prefecture | 159,936 | Japan | Asia/Tokyo |
Nearby Cities
| City | Region | Country | Population | Area Codes | Postal Codes |
|---|---|---|---|---|---|
| Koga, Ibaraki | Ibaraki Prefecture | Japan | 58,004 | 280 | 349, 306, 347, 329 |
| Sano, Tochigi | Tochigi Prefecture | Japan | 82,535 | 283 | 327 |
| Satte, Saitama | Saitama Prefecture | Japan | 55,286 | 480 | 340, 306 |
| Shimotsuke, Tochigi | Tochigi Prefecture | Japan | — | 280, 296, 285, 282 | 329, 308 |
| Yūki, Ibaraki | Ibaraki Prefecture | Japan | 51,574 | 296 | 307, 329 |