Area Codes in Kaifeng
| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|---|---|---|---|---|
| 378 | Kaifeng | Henan | 900,000 | China | Asia/Shanghai |
Nearby Cities
| City | Region | Country | Population | Area Codes | Postal Codes |
|---|---|---|---|---|---|
| Daokou | Henan | China | 56,637 | 20 | 456463, 456483, 456400 |
| Hebi | Henan | China | 244,662 | 392 | 456750, 458050, 458061, 458072 |
| Xinxiang | Henan | China | 743,601 | 373 | 453000, 453002, 453003, 453011 |
| Xuchang | Henan | China | 449,258 | 374 | 461000, 461100, 461111, 461113 |
| Zhengzhou | Henan | China | — | 371 | 450001, 450046, 450047, 450048 |