How to query the attribution of a large number of mobile phone numbers

Query method for the attribution of group number:

1. Baidu first, enter the mobile phone attribution query, and then Baidu;

2. Enter the URL interface and select the URL to query;

3. Enter the mobile phone number that the user wants to query;

4. Then click Query, and the information will be displayed, whether it is mobile or Unicom, which province's address, which city and zip code will be displayed, which is more comprehensive.