Learn how to check your Airtel balance , data usage, and other account details using USSD codes, SMS, missed call, app, or website. Find the contact details and customer care number of Airtel Payments Bank. This blog provides various ways to check your Airtel balance , including using USSD codes, the Airtel Thanks app, missed calls etc. Learn different methods to check your Airtel postpaid balance , such as using the Airtel Thanks app, USSD codes, SMS, or missed calls. Also, find out the best postpaid plans and offers from Airtel . Check Airtel Main Balance by Dialing 123# and use the Airtel balance check number to your advantage to enjoy seamless communication without any surprises.