What is Reverse Phone Lookup?

Are you aware of the term “Reverse Phone Lookup”? I too heard about it today only. One of my friends told me about Reverse Phone Lookup, and I was really surprised to know the importance of this term.
This term Reverse Phone Lookup is used with respect to finding the contact details of a phone number, weather it is a landline number or a cell phone number. If you want to find the address of the owner and his location, then you can search it in the white pages or telephone directory. In case if the details for which you are looking for is not listed in any white pages or telephone directory then what will you do?
In this case, you will need the services of a Reverse Phone Lookup. In it, you will get the access to the database of the various mobile operators along with the telephone companies. The companies actually combine multiple information’s and return back the desired result to you, that too for a nominal fee.
Reverse Phone Lookup service provides the detailed database of the subscribers, which is actually a combination of the numbers of cell phones and landline numbers along with some unlisted numbers too. Thus user who purchases the Reverse Phone Lookup service can easily get the desired contact details and the location of the phone number.
As this service is provided by the phone companies which are actually bounded by some agreement which actually stops them to disclose the numbers detail for free, thus they provide the service for some fee only. They usually ask you to register and then only you can use the facility of reverse phone lookup. You can register from either your paypal account or through your valid credit card. This way they deduct the fee at the time of registration only.
This service is really good for those who want to get the details of the phone numbers, and since this is a paid service so there are less chance of the misuse of the service.