What phone number does Unicom call to check the phone bill?

100 10。 Official website of China Unicom shows that China Unicom is a domestic telecom operator, with business halls all over the country and a customer service hotline of "100 10". Customer service includes consultation, inquiry, business handling, fault declaration, complaint and suggestion acceptance, etc. Inquiring about the telephone bill flow belongs to the inquiry business. Just dial 100 10. The following are the official number query categories of Unicom:

10016 (10016 special line): responsible for user return visit, retention and maintenance, and telemarketing;

100 1 1 (telephone charge recharge line): telephone charge recharge;

100 18 (customer club service hotline): members' basic service information inquiry, featured service project inquiry, featured service project acceptance and other various club services;

+8618618610010 (international roaming customer service hotline): business consultation, complaint handling, emergency service, etc.