How to Know / Reveal / Check Airtel Number (Airtel Phone Number Check Code) Method 1: To check and know your mobile phone number on Airtel, dial *121*3*4#, your number will be revealed right away. Method 2: Alternatively, you can dial *121# and follow the steps below… Follow the onscreen instruction, Select 3, and send for My Account option.On the next screen that comes up, select 4 and sends as My Number option.Your phone number will be displayed to you on the screen. You can write it out and save it somewhere.All Airtel YouTube Data Plans (Night & Day) and Subscription CodesYouTube Plus Pack…