A reverse cellphone search is the same tool once used only by law enforcement and private investigation firms to gather detailed information when all you have to work with is a phone number. But today, cell phone lookup directory sites put the power and information of the reverse search in your hands.

Yes, it's that easy! Just type in the number you are trying to track down and get full phone owner's details like their name, billing address, household members, etc. You can do your free preliminary search below.

While simple Internet phone searches can be somewhat helpful when in looking up a landline number, they have several drawbacks. First of all, when it comes to cell phones, those directories are all but useless.

Because they don’t have access to mobile or unlisted numbers, using one of these services severely limits the amount of information you receive. Instead, using a private lookup service can get you what you need to know - without all the wrong info.

For frequent users, these directories offer packages such as unlimited access for full searches on a one time annual billing basis. Selecting a reverse lookup provider which only charges you once and allows you to use the services for a good period of time gives you the best value for your money, especially when most of your searches encompass cell phone numbers, which are not available online for free.

The basic information you will be privy to includes name, address, location, carrier, service status. Some more robust services like InteliGator People Searches provide even more in depth information such as personal background checks, criminal records as well as a wealth of other information.