It used to be that everyone had a standard phone in their home and finding a number or address was a matter of opening the yellow pages and searching for the name. Things have grown more complicated now that cell phones are widely used and many people do not even have landlines, and if they do their number may be unlisted.

Even with the widespread use of caller ID on most landlines, a lot of numbers may appear without an identifying name and there are ways for callers to prevent their name from appearing. Reverse phone lookup providers have responded to these changing times to offer a very valuable service to resourceful phone users.

There are two common uses for lookup services.

Locating Names

If you are receiving calls from someone and only a number comes up on your caller ID, or you want to identify cellular phone callers, reverse phone lookup directories can assist in finding the name registered to the phone number of concern. Just by entering the number you will have access to the person who is responsible for the phone calls in question.

People needing this service include those who need to identify a number often phoning their spouse or teenager's cell phone, since there is no accessible directory for cell phone numbers. Others may use this when they want to know a name listed to a home phone that may be unpublished.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 directory can deliver the information.

Locating Addresses

The other typical function is to find an address for someone, whether you know the name of the person or not. Once you find the information associated with a specific phone number most services will give additional information as well, which includes the address of the home phone or the address connected to a cell phone number.

This may not be a typical need for some people, but it does have its benefits in some situations. Such as a parent needing to track down a teenager who has run off or has not returned home well past curfew. If they can get access to numbers from the teenager's bedroom or cell phone a reverse phone lookup could quickly reveal addresses and names of places the child may be located.

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

Lookup websites can also deliver access to other sorts of data, such as income brackets and previous addresses, and one site even gives a map with an general pinpoint of the most current location.

There will be a small charge for any legitimate reverse phone lookup service, but if your business or personal situation requires particular data it is worth the money in the end. The charge is necessary because this kind of information is not simple or completely free to research, compile, and store, so dispensing it on demand to people like you must also come with a charge to cover such serviceable costs.

There more than likely will never be a phone book for cellular numbers, and even if there were most likely a lot of the numbers would be unlisted just like many home phone numbers right now. The only way to obtain access to such numbers is to put up a nominal fee either to complete a single phone number lookup or to join a lookup service if you will need to access the service long term.