It's still smart to register your number as an added layer of protection against unwanted calls. Just go to the website donotcall.gov and enter the landline or cellphone number you want on the list.

Here's how to block numbers on your iPhone the right way: What you need to do to avoid spam and calls and texts from specific contacts.

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 ...

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

Here’s how to block spam callers and other numbers on iPhone.

If you want to block your cell phone number from showing up on other phones (for whatever reason), you can do it temporarily simply by dialing *67 before the number you're calling. According to ...

Here's our very own guide on how to block a number on your personal iPhone or Android, and show you how to block spam and text messages.