How to change the reserved telephone number of social security card?

According to the inquiry of China Travel Service. Com, there are two ways to change the reserved mobile phone number of social security card:

1. Bring your social security card and ID card and change the bound mobile phone number at the Human Resources and Social Security Bureau of the insured area. This will ensure that your social security card is successfully bound to the new mobile phone number.

2. Some provinces and cities can change their mobile phone numbers online. First, you need to enter the Human Resources and Social Security Bureau in official website, and then log in to your account. Then, click password protection to modify, and finally click the new secure mobile phone and follow the prompts on the page to complete the change. Please note that the specific operation steps may vary from region to region, so please operate according to local requirements.