HOW TO HIDE YOUR PHONE NUMBER FROM THE PERSON RECIEVING YOUR CALL
Just dial #31# on you mobile phone then the number you’re about to call
Block your number
permanently on all calls
most phones
include a “show my caller ID settings” in which you
can turn off. For an iPhone, this is
located in Settings > Phone >
Show My Caller ID. For Android phones, this is located at Phone >
Settings > Call Settings > More
Settings > Caller ID.