How to query the attribution of Unicom number?

You can try the following ways to check your phone number: 1. When you call a phone with caller ID enabled, your number will be displayed on the screen of the other party's 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. 3. Generally, after receiving the sim, the mobile phone will write its own phone number. This method depends on the function of the mobile phone. For example, for iphone, you can select settings > phone to query.