Service hotlines are 10000, Unicom 100 10, and Mobile 10086. However, please note that telephone consultation with customers may not be as accurate as the local business hall. More precisely, you can consult your neighbors or property management companies, or you can go to the eye-catching building exterior wall of the community to see if there is a billboard of "xx network covered" by the operator, or if there are broadband boxes of other operators in the corridor.