Gp sim number check :
Gp user can check own sim number by dialing *2#
Banglalink sim number checking :
To check your bl number follow below step...
- Dial *511#
Robi sim number check :
- Dial *140*2*4#
Airtel sim number check :
- Dial *121*6*3#
Teletalk sim number check :
There is no process to check your own teletalk number with dial some digit. To check your teletalk SIM number, you need to send a message.
- Type "tar" and send to it 222 number
If you knows these USSD code, can check any operator sim number easily.