Other Ways to Block Your Number AKA Make a Private Call If your cell phone carrier does not allow you to block your number, there are still a few timeless methods that work for making private calls.

Kurt "Cyberguy" Knutsson outlines the simple steps to block unknown calls on your Android and iPhone so you can avoid those spam calls.

Don't worry about downloading apps -- your iPhone already has several tools to block all those annoying calls and texts from random numbers.

1. Tap Settings. 2. Tap Apps near the bottom of the menu. 3. Tap Phone. Under the section Screen Unknown Callers, you'll see ...