| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|
| 457 | Jiagedaqi District | Inner Mongolia | 135,760 | China | Asia/Harbin |
| 470 | Hailar District | Inner Mongolia | 211,066 | China | Asia/Harbin |
| 471 | Hohhot | Inner Mongolia | 774,477 | China | Asia/Chongqing |
| 472 | Baotou | Inner Mongolia | 1,301,768 | China | Asia/Chongqing |
| 473 | Haibowan District | Inner Mongolia | 218,427 | China | Asia/Chongqing |
| 475 | Tongliao | Inner Mongolia | 261,110 | China | Asia/Harbin |
| 476 | Chifeng | Inner Mongolia | 346,654 | China | Asia/Harbin |
| 477 | Jungar Banner | Inner Mongolia | — | China | Asia/Chongqing |
| 479 | Xilinhot | Inner Mongolia | 120,965 | China | Asia/Harbin |
| 4812 | Manzhouli | Inner Mongolia | 54,808 | China | Asia/Harbin |
| 4823 | Guyang County | Inner Mongolia | — | China | Asia/Chongqing |
| 4841 | Fengzhen | Inner Mongolia | 72,444 | China | Asia/Harbin |
| 4843 | Shangdu | Inner Mongolia | — | China | Asia/Shanghai |
| 4858 | Tuquan County | Inner Mongolia | — | China | Asia/Harbin |