Methods to Check Jio Validity Method 1: Checking Validity via USSD Code Using USSD codes is one of the quickest ways to check your Jio validity . Here’s how you can do it: Open the Phone Dialer: On your smartphone, open the dialer app. Dial the USSD Code: Enter the code 3333# and press the call button. Check out the complete Jio 239 Plan details with its benefits, validity and more. List of Jio Validity Check Numbers The numbers help you keep track of your Jio SIM usage. You can check your Jio balance and validity , number , tariff plan, and postpaid bill. Dial 1991 from your Jio Prepaid number to get data and calling information instantly. If you are a Prepaid customer, you can view your active plans with your balance details and validity as well as your upcoming plan details. If you are a Postpaid customer, you can view details of your plan and bill cycle. Call 1991 from your Jio number to check your Jio validity and SMS balance. After the call is terminated, you’ll get an SMS with information about the remaining time, SMS balance, and data balance.
