How does China Unicom query local numbers by SMS?

1. If you need to query Unicom's mobile phone number, you can edit the short message "CXHM" to 100 10 for verification.

2. If you want to check your phone number, you can call other phones with caller ID enabled, and your number will be displayed on other phone screens.

3. If the phone is not in the service area, you can also use this machine to dial 100 10 for manual customer service, and the customer service representative will inquire for himself.