How to query broadband smart card number

1. Login to telecom operator official website: Find the smart card number inquiry portal on the online processing platform, fill in relevant information as required, and click the inquiry button.

2. Call customer service: provide relevant personal information to customer service personnel, who will verify their identity in the system and inform the smart card number. Put the 3G network card into the 3G mobile phone and dial another mobile phone number. You can know the mobile phone number corresponding to the network card through the caller ID.