Dial 1991 from your Jio number to hear your mobile number
Dial 1299 from your Jio number to get your number via IVR
Open the MyJio app and check the registered mobile number on the home screen or profile section
Check the SIM card packaging or welcome kit for the number
Send a missed call or message from your Jio number to another phone and see the caller ID
Check your phone settings under SIM status or About phone
Call or message a friend and ask them to tell you the number displayed on their phone