Open the MyJio app and log in with your Jio number
Go to the JioFiber account section
Check the registered JioFiber number or service ID there
Open the JioFiber welcome email or SMS from Jio
Look for the account number, service ID, or registered number in the message
Check the JioFiber router label for the account details
Call Jio customer care from your registered mobile number
Ask the support team to share your JioFiber number after verification
Visit the Jio website and log in to your account
Check the account details under your JioFiber profile
Use the JioFiber app if installed and view your account information