| Prefisso▲ | Città↕ | Regione amministrativa↕ | Popolazione della città↕ | Paese/Regione | Fuso orario |
|---|
| 930 | Linxia Chengguanzhen | Gansu | 202,402 | Cina | Asia/Chongqing |
| 931 | Lanzhou | Gansu | 2,628,426 | Cina | Asia/Chongqing |
| 932 | Dingxi | Gansu | — | Cina | Asia/Chongqing |
| 933 | Pingliang | Gansu | 108,156 | Cina | Asia/Chongqing |
| 935 | Wuwei | Gansu | 493,092 | Cina | Asia/Chongqing |
| 936 | Zhangye | Gansu | 96,228 | Cina | Asia/Chongqing |
| 937 | — | Gansu | 26,280,000 | Cina | Asia/Chongqing |
| 938 | Tianshui | Gansu | — | Cina | Asia/Chongqing |
| 939 | — | Gansu | 26,280,000 | Cina | Asia/Chongqing |
| 941 | Hezuo | Gansu | — | Cina | Asia/Chongqing |
| 9421 | Gongchang | Gansu | — | Cina | Asia/Chongqing |
| 943 | Baiyin | Gansu | 188,533 | Cina | Asia/Chongqing |
| 9440 | — | Gansu | 26,280,000 | Cina | Asia/Chongqing |
| 9447 | Rouyuan | Gansu | — | Cina | Asia/Chongqing |
| 9453 | Gulang | Gansu | — | Cina | Asia/Chongqing |
| 9471 | Passo Yumen | Gansu | — | Cina | Asia/Urumqi |
| 9473 | Dunhuang | Gansu | — | Cina | Asia/Urumqi |
| 9477 | Jiayuguan | Gansu | 122,396 | Cina | Asia/Urumqi |