Traffic Management 12 123 How can I change my mobile phone number for driver's license registration?

Traffic Management 12 123 The method of changing the mobile phone number is as follows:

1. After downloading the "Traffic Management 12 123" mobile APP, log in with the original mobile phone number and enter the correct original mobile phone number and login password. If you forget your previous mobile phone number, you can switch your ID number to log in. Fill in the information and confirm it is correct, then click the login button;

2. Enter the personal homepage, change the mobile phone number on the homepage, click my avatar to enter the 12 123APP personal homepage, and click the mobile phone number to enter the page of changing the mobile phone number;

3. Select the authentication method

(1) If the original mobile phone number can receive the verification code, SMS verification can be preferred for authentication. Click the send verification code button on the SMS verification page. After receiving the six-digit verification code, enter it in the box.

(2) If the original mobile phone number can't receive the verification code, you can choose real person authentication for authentication, and then perform face authentication on the jump page;

4. After the authentication of changing the mobile phone number is passed, enter the correct number of the new mobile phone being used in the corresponding position on the page of changing the mobile phone number, and then click the Get Verification Code button. The new mobile phone number will receive a short message with a verification code. You need to enter the correct verification code in the corresponding position, fill in the information and click OK to confirm it is correct.

Offline changes are as follows:

1. Determine whether the mobile phone registration number needs to be modified. In most cases, the mobile phone registration number is assigned by the traffic management department when you apply for a motor vehicle driver's license. If your mobile phone number changes, you may need to modify your mobile phone registration number;

2. Prepare the necessary materials. When modifying the mobile phone registration number, it is necessary to prepare the motor vehicle driver's license, the original identity document and the modified mobile phone number;

3. Go through the formalities with the local traffic management department. It is necessary to submit materials to the local traffic control department and go through the formalities for changing the mobile phone registration number;

4. Pay related expenses. According to the regulations of different regions, it may be necessary to pay a certain fee to modify the mobile phone registration number.

To sum up, if you can't change the contact information of motor vehicles at 12 123APP, you can change the contact information of the owner or manager of motor vehicles at the nearby traffic police brigade, the service hall of the vehicle management office and the vehicle management convenience service station.

Legal basis:

Article 81 Provisions on the Application and Use of Motor Vehicle Driving License

If the contact telephone number, address and other information of the motor vehicle driver changes, it shall be filed with the vehicle management office where the driver's license is issued within 30 days after the information changes.

If the information of the driver's business unit holding the driver's license of large bus, heavy tractor trailer, city bus, medium bus and large truck changes, it shall be filed with the vehicle management office where the business unit is located within 30 days after the information changes.