| Beijing | 010 | Shanghai |
021 |
| Tianjin | 022 | Chongqing | 023 |
| Shenyang | 024 | Nanjing | 025 |
| Wuhan | 027 | Chengdu | 028 |
| Xi´an | 029 | Shijiazhuang | 0311 |
| Tangshan | 0315 | Qinhuangdao | 0335 |
| Taiyuan | 0351 | Datong | 0352 |
| Hohhot | 0471 | Baotou | 0472 |
| Dalian | 0411 | Changchun | 0431 |
| Jilin | 0432 | Harbin | 0451 |
| Suzhou | 0512 | Wuxi | 0510 |
| Changzhou | 0519 | Xuzhou | 0516 |
| Hangzhou | 0571 | Ningbo | 0574 |
| Wenzhou | 0577 | Hefei | 0551 |
| Fuzhou | 0591 | Xiamen | 0592 |
| Nanchang | 0791 | Jinan | 0531 |
| Qingdao | 0532 | Yantai | 0535 |
| Zhengzhou | 0371 | Luoyang | 0379 |
| Changsha | 0731 | Xiangtan | 0732 |
| Shenzhen | 0755 | Zhuhai | 0756 |
| Zhongshan | 0760 | Dongguan | 0769 |
| Foshan | 0757 | Nanning | 0771 |
| Guilin | 0773 | Haikou | 0898 |
| Sanya | 0899 | Mianyang | 0816 |
| Guiyang | 0851 | Kunming | 0871 |
| Lijiang | 0888 | Lhasa | 0891 |
| Yan´an | 0911 | Baoji | 0917 |
| Lanzhou | 0931 | Yinchuan | 0951 |
| Xining | 0971 | Urumqi | 0991 |
