China UnionPay Express launched the public service of "one card inquiry" for mobile phone cards.

China unionpay express APP- one-card inquiry uses the following steps:

1. Open the applet: search for "One Card Access Query" in China UnionPay Express APP, and click to enter the applet "One Card Access Query for National Mobile Phone Cards";

2. Information submission: enter the name, ID number and mobile phone number on the inquiry page, and enter the verification code. After the authentication passes, submit the query (the same user has one query opportunity within 24 hours).

3. Waiting for the result: the service platform will reply the user's query result through the unified short message port 10699000 within 48 hours.

The above contents are for reference, subject to the latest business rules.