Administrative area code

North 1: 11 Beijing, Tianjin 12, 13 and Hebei, Shanxi, 14, 15 Mongolia

Northeast 2: 21 Liaoning, Jilin 22, Black 23

CHINA 3: Shanghai 31, SU 32, 33 Zhejiang, Anhui 34, 35 Min, Gan 36, 37 Lu

CENTRAL 4: 41 Henan, Hubei 42, Hunan 43, 44 Guangdong, Guangxi 45, Joan 46

Southwest 5: 50 Chongqing, Sichuan 51, your 52, 53 clouds, possession 54

Northwest 6: 61 Shaanxi, Gan 62, Green 63, 64 Ning, Jiang 65