If you don't want people to know you're calling, you can hide caller ID by blocking your own number on both landlines and ...

You can make a call private by hiding your phone number in a few different ways, including using your phone's settings.

This trick works for smartphones and landlines. Open your phone’s keypad and dial * - 6 - 7, followed by the number you’re trying to call. The free process hides your number, which will show up on the ...

Nobody likes receiving calls from No Caller ID numbers, as they're usually scams. But there might be cases where you'll want your iPhone or Android to hide your phone number to protect your privacy.