If the search you are using is up to date and fairly complete, you could conceivably get every last fact in the system about that phone number, including who the number belongs to, their street address, historical information, and more.

But most free phone number search tools are not that complete and if the phone number you are trying to get information on happens to be unlisted, unpublished, or a cellular phone, you probably won't find any information out at all.

Free reverse phone search often times do not have the most current information available or they are grossly incomplete.

Much of this data can be easily found for looking over online phone books. If you are looking for complete information to, say, track down someone who is prank calling your house at three in the morning, then a free reverse phone search is going to leave you hanging with only the phone number you originally started out with.

The best thing to do when conducting a reverse phone search is to use a pay per basis reverse phone search website.

The fee is usually small and these pay per basis websites use anywhere from 25 to 50 source databases to populate their own. These databases come from confidential sources, public records, and data brokers that are updated on a regular basis so that the information they contain is as correct and complete as possible.

Many of these services also offer a money back guarantee if your search delivers inaccurate information. It is only necessary to pay for the information that you ask for.

Also, costed reverse phone search companies will give you information that is associated with a cell phone, unlisted, private and unpublished numbers.

Such numbers will have personal data associated with them that, and even though it is unknown to the general public, the pay reverse phone search databases access such information.

If you have a phone number that is giving you fits and you need to find out who is trying to reach you, prank call you, or simply harass you, then it is worth paying the small fee and using the more comprehensive search mechanism a pay per basis reverse phone search website offers you.