What does Pinghu mobile broadband account start with?

Usually it starts with the phone number.

The general mobile broadband account number is @139.xxx. In view of the differences in business rules and tariffs among provinces, you can call local 10086 for consultation. You can also enter the official account of "China Mobile 10086" WeChat and send "Manual" or "Customer Service" to contact online customer service to serve you.

Broadband is not strictly defined. Generally speaking, it can meet the bandwidth that people can feel when transmitting various media on the network, so it is also a dynamic and developing concept.