AnyWho's Reverse Phone Lookup service allows visitors to enter in a phone number and immediately lookup who it is registered to. Perhaps you missed an incoming phone call and want to know who it is before you call back. Type the phone number into the search box and we'll perform a white pages reverse lookup search to find out exactly who it is registered to. If we have a match for the phone number, we'll show you the registrant's first and last name, and mailing address. If you want to do reverse phone lookup for a business phone number then check out Reverse Lookup at yp.com.