931 Area Code
Lanzhou | Gansu | China
Lanzhou (Chinese: 兰州; [lǎnʈʂóʊ]) is the capital and largest city of Gansu Province in Northwest China. A prefecture-level city, it is a key regional transportation hub, allowing areas further west to maintain railroad connections to the eastern half of the country. Lanzhou is home to 3,616,163 inhab..
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