It used to be that everyone had a landline phone in their home and finding a phone number or address simply required opening the yellow pages and finding the name. Things have grown more complex 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 unlisted.

Even with the widespread use of caller ID on most home phones, some numbers may appear without an identifying name and there are ways for callers to prevent their details from showing up. Reverse phone lookup services have responded to these changing demands to offer a very valuable service to resourceful phone users.

There are two common uses for these directories.

Finding 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 number of concern. Just by typing in the number you will be able to identify whoever is initiating those phone calls in question.

People in search of lookup directories include those wanting to check up on a number often calling their spouse or teenager's cell phone, since there is no phone book for cell phone numbers. Others may use lookup directories when they need to identify a name listed to a home phone that may be unpublished. Anytime you have a phone number but don't know who it belongs to, a reverse phone lookup website can assist you.

Searching for Addresses

another common use is to find an address for someone, whether you know their name or not. Once you gain access to the contact information linked with a particular phone number most directories will give other sorts of information as well, which includes the address of an landline 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 quite a few situations. For instance, consider a parent desperate to find a teenager who has run off or is still out long after 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 child may be located.

More common circumstances may be looking for addresses to mail out party invitations to your child's peers. If you have their phone number you can find their address and easily deliver the invite without calling or tracking down other busy people.

Lookup directories can also deliver access to other kinds of data, including income brackets or previous addresses, and one site even gives a map with an estimated pinpoint of the most current location.

There is a small charge for any legitimate reverse phone lookup service, but if your business or personal situation demands certain data it is money well spent in the long run. The charge is necessary because this variety of information is not easy or completely free to research, compile, and save, so distributing it immediately to others such as you must also collect a fee to make up for such serviceable expenditures.

There more than likely will never be a public directory for cell phone numbers, and even if they were compiled most likely a lot of the numbers would be unpublished as is the case with many landline numbers right now. The only way to get access to these numbers is to pay a nominal fee either to do a single phone number search or to join a lookup directory if you will be using the service on a regular basis.