Some people are suspicious of new methods of solving old problems. Unfortunately, the truth of the matter is that so called free online reverse cell phone directories are not able to provide you with the results you really need.
The free directories work pretty well if you need to trace a standard residential number, but if the number is unlisted your search will turn up empty. Enter the number into the box on this page and you're there. Free services do not have large databases of information like its sister paid subscriptions.
What you can find when you use reverse white pages are listings and information for all numbers that are publicly listed. When you want to find address by phone number using a reverse phone directory, make sure you select a good service provider. The paid services that offer you the choice to choose annual registration and unlimited searches have large, extensive databases full of updated information.
Happy searching. Like what was mentioned earlier, free directories will only give you landline numbers and not mobile phone numbers.