Hide Your Phone number While Calling Most of you

Hide Your Phone number While Calling 
Most of you want to call someone while hiding your own phone no identity

so i am publishing the trick for hiding your ph no.

If you want to hide/show your phone number when calling, put one of these codes below in front of the number that you are going to call.
(*#30# / *#31# or *31# / #31# ) Works on most of the networks.

enjoy