Not long ago, everyone had a landline phone in their home and searching for a number or address was a matter of opening the phone book and locating the name. This has become more complicated now that cell phones are in common use and many people do not even have landlines, and if they do their number may be unlisted.

Even with the development of caller ID on most landlines, a lot of numbers may come up without an identifying name and there are ways for callers to stop their name from coming up. Reverse phone lookup services have stepped up to these changing times to offer a very useful service to modern phone users.

There are two typical functions for these services.

Locating Names

If you are getting calls from someone and only a number comes up on your caller ID, or you want to identify cell phone callers, reverse phone lookup services can help you find out the name registered to the number in question. Just by typing in the number you will be able to identify whoever is behind those phone calls in question.

People in search of lookup directories include those wanting to identify a number frequently texting their spouse or children's cell phone, since there is no public directory for cell phone numbers. Others may use this when they want to find a name registered to a landline that is unlisted. Whenever you have a phone number but aren't sure who it belongs to, a reverse phone lookup directory can help.

Locating Addresses

another common use is to identify an address for someone, whether you know the name of the person or not. Once you gain access to the information linked with a particular number most directories will deliver additional data as well, which may include the address of the landline or the address connected 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 instance, consider a parent desperate to locate a teenager who has run away or has not returned home well past curfew. If they can find phone numbers from the teenager's bedroom or cell phone a reverse phone lookup could quickly tell them addresses as well as names of locations the teenager may be located.

Other circumstances may be searching for addresses to send out party invitations to your child's classmates. If you have a phone number you can get their address and mail out the invitation without calling and tracking down other busy people.

Lookup directories can also deliver a connection to other sorts of information, like income brackets and address histories, and one site even gives a map with an rough pinpoint of where the home or business is located.

There is a minor fee for any legitimate reverse phone lookup service, 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, pull together, and store, so distributing it as needed to others such as you must also include a fee to make up for these operational expenditures.

There more than likely will never be a phone book for cellular numbers, and even if they were compiled most likely many of the numbers would be unlisted just like many home phone numbers today. The only way to obtain access to such numbers is to pay a minor charge either to complete a single number lookup or to join a lookup directory if you will be using the directory on a regular basis.