The communication travel card suddenly disappeared.

Travel card can't find travel data because the number of travel card inquiries has soared recently, and the service pressure of the system has been increasing. Service providers are making every effort to optimize and ensure stable operation. In case of unstable service such as network error when using the web travel card, WeChat applet or APP, send a short message CXMYD to the operator (Telecom10001Mobile 10086/ Unicom 100 10) for inquiry.

Brief introduction of communication travel card:

Communication big data travel card, commonly known as "travel code". China ICT Institute, together with China Telecom, China Mobile and China Unicom, obtained the location information of the base station where the user's mobile phone is located by using the "signaling data" of the mobile phone, providing free inquiry service for the 654.38+06 billion mobile phone users nationwide. Mobile phone users can query all the city information they have been to before 654.38+04 days through this service.