Not long ago, everyone had a standard phone in their home and finding a phone number or address was a matter of opening the white pages and locating the name. It is often more complicated now that cell phones are widely used and many people do not even have home phones, and if they do their number may be unpublished.

Even with the widespread use of caller ID on most landlines, many numbers may come up without an identifying name and there are ways for callers to block their name from appearing. Reverse phone lookup providers have stepped up to these changing times to provide a very timely service to resourceful phone users.

There are two common uses for these directories.

Locating Names

If you are receiving calls from someone and only a number shows on your caller ID, or you need to identify cellular phone callers, reverse phone lookup services can help you find out the name registered to the 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 needing this service include those who need to check up on a number often calling their spouse or teenager's cell phone, since there is no public directory for cell phone numbers. Other people may use this when they want to know a name registered to a home phone that may be unpublished. Whenever you have a number but don't know who it is connected to, a reverse phone lookup directory can deliver the information.

Searching for 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 certain phone number most directories will give additional data as well, which may include the address of an landline or an address associated with a cell phone number.

This may not be an everyday need for most people, but it does have its uses in quite a few situations. For example, take a parent desperate to track down a teenager who has run away or has not returned home 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 locations the child 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 or tracking down other busy parents.

Lookup directories can also give you a connection to other kinds of information, like income brackets and address histories, and one site even gives a map with an estimated pinpoint to the business or home's location.

There will be a nominal price for any relevant reverse phone lookup service, but if your business or personal situation requires certain data it is money well spent in the long run. The fee is required because this kind of information is not easy or completely free to research, compile, and protect, so dispensing it immediately to consumers such as you must also include a fee to account for such serviceable costs.

There probably will never be a phone book for cell phone numbers, and even if there were it is probable a lot of the numbers would be unpublished as is the case with many home phone numbers right now. The only way to obtain access to these phone numbers is to give a minor fee either to do a one time number lookup or to join a lookup directory if you will need to access the service on a regular basis.