How to modify the mobile phone number of vehicle registration

Contact information modification method:

1. Open the traffic management 12 123 APP. After entering the home page, click "More" to find "Change the contact information of motor vehicles";

2. Select the vehicle to be changed, click the modify button on the right side of the column of mobile phone number in "Selective modification of the following information", fill in the new mobile phone number, obtain the SMS verification code for input, and click OK to complete the change.

Contact information of driver's license:

1. Open the traffic management 12 123 APP. After entering the home page, click "More" to find "Change driver's license contact information";

2. Enter the "Change Driver's License Contact Information" page, click "Mobile Number" to fill in the changed mobile phone number, click "Save" after SMS verification, and the driver's license contact information is changed successfully.

In addition, traffic management 12 123 is the official client of the Internet traffic safety integrated service platform, which is provided with technical support by the Traffic Management Institute of the Ministry of Public Security. Provide car owners and drivers with all-round traffic safety services such as individual user registration, business reservation, motor vehicle/driver's license/illegal handling, traffic safety information inquiry, business notification reminder, business guidance, road traffic service, etc.