How to send text messages back to China in Vietnam? What's the phone number of Vietnam Confidence Center?

In Vietnam, if you send a message to China, it should be: 86, directly add the domestic mobile phone number. Do not add 0 before the mobile phone number, such as: 861351000xxxxx.

If you are on the phone, it should be 0086, and then dial the phone number directly. Similarly, there is no need to add 0 before the mobile phone number. If making a fixed telephone call, remove the first 0 in the area code, for example: 0086 1069885326 (Beijing number).