Free Unlisted Phone Numbers Lookup Tool - Version 2.0 With the Free Unlisted Phone Numbers Lookup Tool, You Can Input Unknown Numbers and Run them Across Databases of Phone Numbers to See if the Owner's Information is Available for download. This search can find the majority of cell phone numbers and a large percentage of unlisted telephone numbers in the United States, Canada and Europe. The application is incredibly easy to use. You simply take the phone number you already have and input it into the program and click the "Search Now" button. You will immediately get back preliminary results on the number which provides good details about the number and lets you know if the owner's data is available for download.