It used to be that everyone had a landline phone in their home and locating a number or address was a matter of opening the phone book and finding the name. It is often more difficult now that cell phones are widely used and many people do not even have landlines, and if they do their number may be unpublished.
Even with the invention of caller ID on most landlines, many numbers may appear without an identifying name and there are ways for callers to block their name from showing up. Reverse phone lookup directories have responded to these changing demands to provide a very useful service to modern phone users.
There are two common uses for these directories.
Searching for Names
If you are getting calls from someone and only a number comes up on your caller ID, or you want to figure out cell phone callers, reverse phone lookup directories can help you find out the name listed to the phone number of concern. Just by entering the number you will have access to the person who is behind those calls of concern.
People looking for such services include those wanting to check up on a number constantly calling their spouse or teenager's cell phone, since there is no phone book for cell phone numbers. Other people may use lookup directories when they need to know a name listed to a landline that may be unlisted. Anytime you have a number but don't know who it belongs to, a reverse phone lookup directory can assist you.
Finding Addresses
The other common purpose is to locate an address for someone, whether you know the name of the person or not. Once you plug into the contact information connected with a specific number most directories will deliver additional data as well, which may include the address of an home phone or an address listed to a cell phone number.
This may not be an everyday need for some people, but it does have its uses in some situations. For example, take a parent desperate to track down a teenager who has run off or has not returned home long after curfew. If they can get access to numbers from the teenager's bedroom or cell phone a lookup directory could quickly uncover addresses as well as names of locations the child may be located.
Other situations may be looking for addresses to mail out party invitations to your child's friends. If you have their phone number you can get their address and mail out the invitation without calling or tracking down other busy family.
These services can also give you a connection to other sorts of data, such as income brackets or previous addresses, and one site even gives a map with an estimated pinpoint to the business or home's location.
There will be a minor fee for any up to date reverse phone lookup service, but if your business or personal situation requires certain data it is money well spent in the end. The charge is unavoidable because this kind of information is not simple or free to research, compile, and save, so dispensing it as needed to people such as you must also include a fee to account for such serviceable expenditures.
There likely will never be a phone book for cell phone numbers, and even if there were most likely many of the numbers would be unlisted as is the case with many landline numbers today. The only way to get access to such phone numbers is to give a nominal charge either to complete a one time number search or to join a lookup service if you will need to access the directory on a regular basis.