To check your Airtel SIM number, dial *282# from your phone. A message will appear on the screen displaying your mobile number. You can also use the My Airtel app or customer service representatives at 121
jio number check code
To check your Jio number, you can dial **\*1# or **\*2# from your phone's dialer. For SIM 1, dial \***1#, and for SIM 2, dial \***2#. Your number will be displayed as a pop-up or in an SMS. You can also use the MyJio app, or send an SMS with "MY NUMBER" to 199.
To check your Vi phone number, dial *199# from your Vi phone and follow the prompts, or use the Vi app. You can also find your SIM card number by dialing *#06#