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 white pages and locating their name. It is often more complicated now that cell phones are in common use and many people do not even have home phones, and if they do their number may be unpublished.
Even with the development of caller ID on most landlines, a lot of numbers may appear without an identifying name and there are ways for callers to stop their details from showing up. Reverse phone lookup providers have responded to these changing times to offer a very timely service to modern phone users.
There are two common uses for these services.
Finding Names
If you are getting calls from someone and only a number shows on your ID, or you want to identify cellular phone callers, reverse phone lookup directories can help you find out the name registered to the phone number in question. Just by typing in the phone number you will have access to the person who is behind the bothersome phone calls.
People looking for such services include those who need to identify a number frequently calling their spouse or teenager's cell phone, since there is no phone book for cell phone numbers. Other people may use this when they want to find a name connected to a landline that is unlisted. Whenever you have a number but aren't sure who it belongs to, a reverse phone lookup service can deliver the information.
Locating Addresses
The other common use is to locate an address for someone, whether you know their name or not. Once you find the information connected with a specific number most services will give other sorts of data as well, which includes the address of an home phone or the address listed to a cell phone number.
This may not be a common 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 away or is still out well past curfew. If they can come up with numbers from the teenager's bedroom or cell phone a reverse phone lookup could quickly uncover addresses as well as names of places the child may be located.
Other circumstances may be looking for addresses to mail out party invitations to your child's classmates. If you have a phone number you can get their address and get the invite in the mail without calling and tracking down other busy people.
Lookup websites can also give you access to other kinds of information, such as income brackets and previous addresses, and one site even gives a map with an general pinpoint to the business or home's location.
There is a minor fee for any relevant reverse phone lookup website, but if your business or personal situation demands accurate data it is more than worth the payoff in the long run. The fee is required because this sort of information is not easy or free to research, compile, and save, so distributing it as needed to consumers like you must also come with a fee to cover such working costs.
There likely will never be a public directory for cell phone numbers, and even if they were compiled it is probable the majority of the numbers would be unlisted just like many home phone numbers right now. The only way to gain access to such phone numbers is to give a nominal fee either to do a single number search or to join a lookup directory if you will be using the service long term.