How do you block your number on an iPhone?

Try watching this video on www.youtube.com, or enable JavaScript if it is disabled in your browser.Tap to open Settings from your SpringBoard.Choose Phone from the Settings menu.Select Show My Caller ID from the Phone menu.Tap the Show My Caller ID switch to disable the feature.More items... read more

There may be times when you need to make a call but don't want your identity or phone number to show up on the caller ID of the person you're calling. There is an option on the iPhone to be able to easily turn off the caller ID and for your number to show up only as a "Blocked" number when making calls. read more

Do so by tapping the name of the person you wish to block. This number is no longer be able to reach you on your iPhone by phone call, FaceTime, or Messages. Repeat the previous two steps for all numbers or contacts you wish to block. read more