If you are trying to identify or reverse cell numbers, it helps to first be sure the number your are tracing is actually a cellular or mobile phone number. The reverse lookup tool found at fonefinder is excellent for that purpose! It can identify the state, city, and telephone company that controls the number you are interested in. Further, this tool will plainly identify if the subject number is a landline or cellular number.
NANPA.COM is the North American Numbering Plan Administration, and is responsible for the assignment of telephone numbers to phone companies in the U.S., Canada, and U.S. territories. They also have very helpful phone-related resources at their site. The ultimate reverse phone directory when it comes to mobile phone numbers, unlisted numbers, pager numbers, 800 toll-free numbers or anything else telephone number related is NeuStar, Inc. Neustar keeps track of the billing information (name and address, etc.) in real time for every active and recently disconnected telephone number in the U.S. and Canada! Of course, this ultimate reverse phone directory is off-limits to average people. It definitely will take someone with special access to obtain the information there! Wow, how cool would that be?!
