1, provident fund counter handling: If you need to modify the original reserved mobile phone number, you can bring the original ID card to the counter during working hours.
2. Modification of the unit housing provident fund: If the company provident fund has been certified and has relevant authority, it can be directly modified in the online lobby unit version.
3. Account modification: Individual users can log on to the website of Provident Fund Center and click the personal information modification menu to complete the change of mobile phone number.