How do I find out if my Unicom number is in arrears?

Unicom number can be used to check the phone bill. You can log in to the online business hall or China Unicom APP through your mobile phone number and service password to check the phone bill:

1. Log in to the online business hall: click the phone bill query to query;

2. Login to China Unicom APP: Click "Service"-"Inquiry"-"Real-time Telephone Charge" on the homepage to inquire.