If you want to make a call and whoever you’re calling you want it to come up on their display to show unknown private or restricted or some other. It’s really simple to do it for one code you simply type in *67 before *67 the number you’re dialling and then you can type your number and you would just go ahead and make that call and then on there in it will come through as an unknown number, so if you want to block your mobile number from someone follow the below code.
