Airtel free call code

Guoclassic cheat:Airtel free call code 2016 airtel free call This trick works for all Airtel numbers and call can only be made to airtel number only. Now dial these codes accordingly
 *337#
 *700#
 *700*1#
 *700*2#
 You will see something like this after dialing those codes: Dear customer, you still have 100 free minutes.
HOW TO USE THE FREE CREDIT TO CALL? Dial *337*2* airtel phone number# touse your free minutes. Enjoy and don’t forget to share with ur friends .
Thanks