How to check your mobile phone number? How long has it been?

1. Take China Mobile's mobile phone number as an example, open the main page of China Mobile's online business hall and click the "Login" button at the top;

2. In the login page that opens, enter the mobile phone number and service password, and click the "Login" button to complete the login operation;

3. After logging in successfully, click the "My Mobile Phone" menu item at the top of the page;

4. Next, on the opened personal center page, click the "My Information-Personal Information" button on the left side of the page;

5. Finally, in the opened page, you can check the network age of the mobile phone number, that is, the usage time of the mobile phone number, which is calculated from the date of opening the account, and has nothing to do with the mobile phone package fee.