Check the reserved mobile phone number of social security card online.

According to Baidu Fawanglin's inquiry, the online inquiry method of reserved mobile phone number of social security card is as follows:

Social Security official website: You can log in to the local Human Resources and Social Security Bureau official website; Then enter the "Personal Social Security Information Inquiry" interface, and then enter your ID number, password and verification code to log in; After logging in, select "SMS service" and then click "Mobile phone number registration" to know what your reserved mobile phone number is.

Through the city service of WeChat or Alipay or the social security module where the citizen center is located, click to enter the social security service, find the corresponding social security card, and you can see the reserved mobile phone number.