The Area Codes of China: City/Town or RegionArea code 1.Cangzhou317 (+86 317) 2.Changchun431 (+86 431) 3.Changde736 (+86 736) 4.Changji994 (+86 994) 5.Changsha731 (+86 731) 6.Changzhi355 (+86 355) 7.Changzhou519 (+86 519) 8.Chaoyang421 (+86 421) 9.Chaozhou768 (+86 768) 10.Chengde314 (+86 314) 11.Chengdu, Meishan, Ziyang28 (+86 28) 12.Chenzhou735 (+86 735) 13.Chifeng476 (+86 476) 14.Chizhou566 (+86 566) 15.Chongqing23 (+86 23) 16.Chuxiong878 (+86 878) 17.Chuzhou550 (+86 550)