Can cell phone number listings be helpful to track cell number?

Yes, cell phone number listing do help in tracking cell no.It is generally used for discovering anyones name , address, and related data for the particular number. Most of the cell phone listing are free of cost but some do charge for it. But at that tme you should be very cautious about the authenticity of these sites abd get full assurance so that u may not get trraped.The accuracy for the data which these companies provide is doubtful. U must research to find for the ideal company.U asked that is it legitimate??So it is totally legitimate unless and until u do not use all these information for misuse. This facility is generally provided for the telemarketing purpose. Otherwise these are for personal information like locating lost contacts .