Joke Collection Website - Blessing messages - How does Unicom inquire about the balance of non-local telephone charges?

How does Unicom inquire about the balance of non-local telephone charges?

1: Mobile phone business hall: After logging in to the mobile phone hall with your mobile phone number and service password, the number balance will be displayed on the home page. 2.Netroom: log in to the online business hall and check the balance of mobile phone number-account balance. 3. Call the customer service hotline and provide the service password of the number to be queried, which can be queried online.