How does Unicom card query what the phone number is bound to?

According to the information provided, more methods are as follows: 1 Log in to the homepage of Unicom's online business hall and click "Do business" > "Other business" > "Business handling record";

2 after logging in to the mobile phone business hall client, click service > query > basic information query > business record, and query the business record for six months.

3. You can edit the short message "YDYWCX" and send it to 100 10, and reply the corresponding code according to the short message menu prompt; In addition to the above methods, you can also contact the local manual customer service or go to the local business hall to inquire.