Finding Out Who's Behind a Phone Number (for Free) We've all been there: a random number calls, leaves no voicemail, and you wonder – scam, spam, or someone real? Your first stop? Radaris.

If you want to track someone's phone without them knowing for free, read this guide. We share secure methods for Android, iPhone, and Samsung devices.

While it’s impossible to find someone’s social security number by name for free online, you can use someone’s name to find other important information about them.