Will the travel code be displayed after the mobile phone is sold?

No, the travel itinerary code is tied to your mobile phone number. You can wait 14 days for the query, or you can take a screenshot before changing the number and keep the picture for later use.

After port number transfer, incoming users can only query after 14 days, which is equivalent to new users. Just go to the small program in WeChat and you can find it. The specific method is as follows:

1, open the mobile phone WeChat first.

2. In the open interface, click Search at the arrow position shown below.

3. Enter the trip code and click to open the applet below.

4. Then authorize your mobile phone number for inquiry.

5. The interface that opens is your own travel code.

Communication Big Data Travel Card is a free inquiry service for 654.38+06 billion mobile phone users nationwide, which is obtained by China Xintong Institute, China Telecom, China Mobile and China Unicom by using the "signaling data" of mobile phones. Mobile phone users can query all the city information they have visited in the previous 654.38+04 days through this service.