how to remove caller id before making call
To temporarily block caller ID and make a per-call âBlockedâ call, hereâs what you can do on the iPhone (or Android or any other phone): 1  Go to the Phone app numerical dialer screen. 2  Dial *67 before entering any other number on screen, it must prefix the number you will call. 3  Now enter the phone number as usual to dial, and proceed to call as usual.