Finding information about a person or business when all you have is their telephone number makes reverse phone lookup a popular tag. Reverse phone lookup refers to publications or web pages that allow you to obtain a name, address or other information based solely on a telephone number.
Reverse phone lookup works opposite a standard telephone directory. Traditionally, you use a telephone directory when you know the name and want the phone number. With a reverse directory, you can look up the the identity of the person or business with the telephone number. Some reverse phone number directories are free while others charge fees, particularly those with databases for cell phone numbers.