The free process hides your number, which will show up on the other end as “Private” or “Blocked” when reading on caller ID. You will have to dial *67 each time you want your number blocked.
There are several ways to block your phone number when you make a call, and they generally are quite easy to do. How to hide your phone number using *67 The easiest way to hide your phone number ...
Dialing *67 conceals your number from someone you ... Once you have that number, you can block it on your phone so they can’t ...