Chongqing Big Data Application and Development Administration announced that Chongqing has opened a 24-hour service hotline to ensure that citizens' problems in the use process are solved in time. "Yukang Code" special line (24-hour hotline):
023-67724648,023-67724708
023-67724758,023-677249 18
023-67724938,023-67725038
023-67725078,023-67725 138
023-67725 148,023-67725 178
023-6772205 1,023-67722059
023-67722 107,023-67722 1 15
023-67722203,023-67722379
023-67722467,023-67722507
023-67722930,023-67722954。