Why doesn’t Henan Telecom have any recent itineraries?

Specific methods for querying roaming locations of the three major operators:

China Unicom: Send "CXMYD#last four digits of ID card" to 10010 on your mobile phone to query national roaming location information for the past 30 days , to facilitate rework assistance and troubleshooting.

China Telecom: Send "CXMYD# the last four digits of your ID card" to 10001 with your mobile phone. After authorizing the reply to Y, you can implement "roaming location query", which can query the location information of the mobile phone number in the past 15 days.

China Mobile: Send "CXMYD#last four digits of ID card" 10086 to your mobile phone, and then enter the last four digits of your ID card based on the reply text message to query the provinces and municipalities (without prefectures) you have visited in the past month. ), each person can check 10 times a day for free.

Note: If the query fails after sending the command, it means that this query service is not available in the area. The user can call the operator's customer service to find out