Have you ever received a phone call from a number you don't recognize, and then they don't even leave a voicemail? It gets you wondering who the mysterious person is that's calling you and what they ...

With "No Caller ID," the caller has used a feature that hides their identity at the network level. Because of that, there's ...

There was a time when your landline phone would ring and you automatically answered without knowing who was calling. Today, the introduction of cell phones, voicemail, and caller ID has allowed us to ...

The following content is brought to you by Mashable partners. If you buy a product featured here, we may earn an affiliate commission or other compensation. Ever wish you could give out a phone number ...

Just when you thought your phone had exhausted all its secrets, it pulls a rabbit out of the hat - *a disappearing act* for your phone number, no less. It's no illusion; instead, we are about to turn ...

Seeing “Unknown Caller” appear when your phone rings can be a bit unsettling. Most of us are never quite sure whether to take a chance and answer these calls or send them off to our voicemail. After ...