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

How to Block a Number on Your iPhone There are a number of ways to block someone from your iPhone. By blocking them, you'll be sending them directly to voicemail when they call you.

The simplest option on iPhone is to manually block individual numbers. However, spammers use a range of phone numbers, and ...

How to block spam on mobile phones “ Spam is the use of electronic messaging systems to send unsolicited bulk messages indiscriminately.” – This is how Wikipedia describes it, messages sent ...

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 ...

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

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

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.

Again, Tinder has NO control over when people change their number, so if you do see an ex or someone else pop up in your search, it isn’t because the Blocked Contacts feature doesn’t work, it is ...

Fortunately, there's a way to easily unblock phone numbers from any working Android phone. This tutorial demonstrates how to remove someone's phone number from the blocked list.