What number should China Unicom dial? He will send the SMS bill for the current month.

If you need to inquire about the usage of telephone charges, you can call China Unicom's telephone charges inquiry hotline 100 1 1, and press 8 according to the voice prompt to select the usage of receiving telephone charges by SMS. In addition, you can dial10010/2 for subscription and10013 for traffic. (Since the billing cycle is 1 to 3/month, the phone bill cannot be accurately inquired, so it is recommended to dial after the billing cycle. )