What are the Unicom service numbers?

100 10 is the customer service number of China Unicom. You can get multi-directional customer service through "100 10" and "1001"hotlines, and at the same time "100655". 100 18 is a VIP customer service line of China Unicom, which mainly provides VIP customers of China Unicom with business inquiries, mobile phone applications, reminders and care, club activity information, etc. 100 1 1 is a special line for China Unicom to provide nationwide "one-card recharge" service for Unicom customers. At the same time, in order to facilitate your overseas travel, China Unicom has set up a free international roaming customer service hotline "008618610010". When you dial this number overseas, you can learn about the opening situation, coverage, tariff standard, dialing method, customer service phone number and other consulting information of the mobile operator in your country or region, and can also help you deal with urgent affairs such as communication problems encountered abroad.