Where can I find the itinerary code?

As of June, 2023, 65438+1October 1 1, unable to query the trip code.

From 0: 00 on February 13, the "Communication Travel Card" service was officially launched. Query channels such as "communication itinerary card" SMS, webpage, WeChat applet, Alipay applet and APP will be offline simultaneously.

On 12, the three major operators, China Telecom, China Unicom and China Mobile, successively said that they would delete the data related to the user's itinerary at 0: 00 on 13 according to relevant laws and regulations, so as to ensure the personal information security according to law.

special technology

"Communication Big Data Travel Card" analyzes "mobile phone signaling data", which is obtained through the location of the base station where the user's mobile phone is located. The collection, transmission and processing of signaling data are automatic, with strict security and privacy protection mechanisms, and the query results are available in real time, which is convenient and fast.

The data of "Communication Big Data Travel Card" can be used nationwide to achieve full coverage of a national network, and you can also check the international travel of my domestic mobile phone number. On the premise of ensuring user information security, these will provide scientific and accurate technical support for epidemic prevention and control, resumption of work and production, road traffic, entry and exit, etc.

The data source of the location query service provided by the travel card is "mobile phone signaling data", which is obtained through the location of the base station where the user's mobile phone is located. In order to ensure communication continuity, realize coverage without blind areas and provide better communication service quality, the signals of base stations in the two places at the junction of administrative divisions may cross-cover, resulting in deviation of results.

This may happen if the user lives near the city boundary or travels long distances by car or train.