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

Google Voice is a Web-based phone service that enables you to connect multiple different phones to a single phone number managed by Google. From Google Voice, you can block a phone number from ...

So what can you do? Most wireless carriers will let you block at least a few numbers for free, so check with your carrier. You'll also want to find out how long the block remains in place because ...

While unwanted phone calls are a part of everyday life, your iPhone offers a few different options for silencing particularly persistent callers. Here's how you can block or silence unwanted calls ...

Unwanted phone calls are a part of everyday life, but the iPhone offers a number of ways to stop them from being a nuisance. AppleInsider explains how to block phone numbers on iOS, as well as ...

There are several ways to block a phone number on your iPhone. You can do it within the Settings app, or the Phone, Messages, and FaceTime apps.

No matter what type of smartphone you're using, we can help you avoid all of those pesky robo and sales calls. Here's how to block a number on any smartphone.

You can block a phone number or existing contact on your iPhone from the Phone app or your Contact list.

Your phone number cannot be blocked while calling toll-free numbers or emergency services. The temporary way of keeping your mobile number invisible from caller ID is as easy as 1, 2, 3.

You can block calls and SMS messages from specific numbers on Windows Phone. Here are step by step instructions on how to do it.

How to Block Looking Up Your Cell Phone Number. The Federal Communications Commission requires phone carriers to provide a method of blocking caller ID to protect callers' privacy.