A Reverse Phone Lookup is a report that shows the person or business associated with a number that has called your phone. When you perform a Reverse Phone Lookup, our comprehensive data engine produces a confidential report which includes, when available: the owner's name, their address history, age, possible relatives, the phone type and carrier, the location associated with the number, and more. Whether it's a cell phone number, a landline, or a business number, Intelius can provide you with the data associated with the unfamiliar phone number so that you can find out who is calling you.