How to check the cards in the mobile phone, one card for two?

You can try the following ways to check your phone number:

1. Call the caller ID enabled phone, and your number will be displayed on the screen of the other party's mobile phone;

2. If your number is not in the service area, you can call the local customer service number 100 10, and the customer service representative will check for you.

Third, the general mobile phone will write the local phone number after receiving the sim. This method depends on the function of the mobile phone. For example, for iphone, you can select settings > phone to query.