Not long ago, everyone had a standard phone in their home and locating a phone number or address simply required opening the phone book and searching for their name. Things have grown more complex 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, many numbers may appear without an identifying name and there are ways for callers to stop their details from appearing. Reverse phone lookup services have stepped up to these changing demands to offer a very valuable service to resourceful phone users.

There are two common functions for these services.

Locating Names

If you are receiving calls from someone and only a number shows on your caller ID, or you want to figure out cell phone callers, reverse phone lookup directories can assist in finding the name listed to the number in question. Just by typing in the phone number you will be able to identify whoever is behind those phone calls in question.

People looking for such services include those who need to identify a number constantly phoning their spouse or children's cell phone, since there is no public directory for cell phone numbers. Others may use lookup directories when they want to find a name connected to a landline that is unpublished. Anytime you have a number but aren't sure who it belongs to, a reverse phone lookup service can help.

Finding Addresses

another common use is to identify an address for someone, whether you know their name or not. Once you find the contact information associated with a certain phone number most directories will give additional information as well, which may include the address of the home phone or the address listed to a cell phone number.

This may not be an everyday need for some people, but it does have its uses in quite a few situations. Such as a parent in a rush to find a teenager who has run off or is still out well past curfew. If they can find phone numbers from the teenager's bedroom or cell phone a lookup directory could quickly reveal addresses as well as names of places the child may be located.

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

Lookup directories can also give you access to other kinds of information, such as income brackets or address histories, and one site even gives a map with an rough pinpoint of the most current location.

There is a minor fee for any up to date reverse phone lookup directory, but if your business or personal situation demands particular data it is more than worth the payoff in the long run. The fee is required because this kind of information is not easy or free to research, collect, and store, so dispensing it on demand to people such as you must also include a fee to cover these working expenditures.

There more than likely will never be a public directory for cell phone numbers, and even if there were most likely the majority of the numbers would be unlisted just like many home phone numbers right now. The only way to obtain access to these phone numbers is to put up a nominal fee either to complete a one time number lookup or to join a lookup service if you will need to access the directory on a regular basis.