Revers phone, often termed as reverse phone directory or reverse lookup is a tool, which is an on-line service, that provides users a host of information by just typing in telephone number. This type of system offered in the Internet nowadays has helped so many people who intend to retrieve information easily and efficiently.

If you can just imagine oneself walking along the beach and after reaching a certain point, stop and look back, and find the whole track from where you started walking by following the prints of your footsteps in the sand. This is basically a simple example that shows how a reverse phone works. Data that have been transferred are collected and contained in specific database for the sole purpose of a reverse phone system. The data collected and contained in the said database consists of details such as name, address, and other numbers relevant a particular phone number.

A reverse phone is helpful in many ways. The reverse phone may be useful in any of the cases listed below.

-Getting a caller's name. A reverse phone easily can help when you need to find out the source of an unrecognized number. This unrecognized number may be from a prank caller, an unrecognized number that appeared on your phone bill or your cellular phone's registered calls. In the case of prank callers, you can find out who owns the line, where they they live, and who to ask for regarding the annoying caller. The information gathered from a reverse phone look up may also be passed on to the police for further assistance in handling repetitive, harassing calls.

-Acquiring an address. When getting an address perhaps of a friend, a co-worker, or former classmate from way back in high school or college, it is much convenient to do a reverse phone rather than skimming through an address or a phone book, which appears to be obsolete.

-Doing background checks. The name and number connection is often enough for these on-line services to check into criminal records and such other public records. For a fact, reverse phone was proven useful in countries like Pakistan where too many activists thrive. The Pakistan government has trapped some of these activists through the use of this on-line system.

Various sites offer this type of service and have varied prices or charges, as well as the information retrieved. It is advisable to visit a to an well established reverse phone site that will surely provide you complete and accurate information that you need.