How do i know my Airtel Number? Home › Category: Telecom › How do i know my Airtel Number? 0 Vote Up Vote Down Gen. Sulhazan Staff asked 4 months ago what is the code i can use to check my airtel number 1 Answers 0 Vote Up Vote Down Gen. Sulhazan Staff answered 4 months ago To Check Your Airtel Phone Number simply dial *121# and follow the on-screen instructions. Select 1, and send for My Account option. On the next prompt, select 1 and send as My Number option and your number would be displayed on the screen.