Inquire how many cards China Mobile, China Unicom and China Telecom have.

Recently, China Information and Communication Research Institute launched the website "National Mobile Phone Card One Certificate General Inquiry". The website is: You can check how many cards are in your name after entering your personal information. You can have a look.

After entering, query, within 24 hours, the mobile phone number you entered will receive a text message and you can see the card under your name.

Dear users of the Anti-Fraud Center of the Ministry of Industry and Information Technology, the inquiry service of the number of applications you applied for has been accepted. There are 3 calling cards under your ID number * * *, including: China Mobile1; China Unicom 3; Thank you for using this service! If in doubt, you can call the customer service hotline of telecom enterprises or go to the local business hall for consultation.

You can also check the number of mobile cards in your name on "China Mobile app".

Download the app- my-my number first, and then enter it according to the prompt.

Download and install the mobile "mobile phone business hall" app, and log in with your account.

Click "I" at the bottom and then pull to the bottom of the page to find "What a good assistant".

It will display the mobile phone number under its own name, as well as the phone charges and traffic of other numbers.

If the mobile phone number is no longer used, it is better to cancel it.