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now that cell phones are in common use and many people do not even have landlines, and if they do their number may be unpublished.

Even with the invention of caller ID on most home phones, a lot of numbers may show up without an identifying name and there are ways for callers to block their name from coming up. Reverse phone lookup providers have stepped up to these changing times to provide a very useful service to modern phone users.

There are two common uses for these directories.

Finding Names

If you are receiving calls from someone and only a number comes up on your caller ID, or you want to identify cell phone callers, reverse phone lookup directories can help you find out the name registered to the number of concern. Just by entering the phone number you will have access to whoever is responsible for those bothersome phone calls.

People in search of such services include those wanting to identify a number constantly calling their spouse or teenager's cell phone, since there is no phone book for cell phone numbers. Other people may use this when they need to find a name listed to a home phone that may be unpublished. Whenever you have a phone number but are uncertain who it is connected to, a reverse phone lookup service can help.

Searching for Addresses

another common purpose is to find an address for someone, whether you know the name of the person or not. Once you plug into the information linked with a specific phone number most services will give additional information as well, which may include the address of an home phone 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 find a teenager who has run away or is still out long after curfew. If they can get access to numbers from the teenager's belongings 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 looking for addresses to send out party invitations to your child's classmates. If you have a phone number you can find their address and get the invite in the mail without calling and tracking down other busy parents.

Lookup websites can also give you access to other sorts of information, like income brackets or previous addresses, and one site even gives a map with an estimated pinpoint to the business or home's location.

There is a nominal price for any up to date reverse phone lookup service, but if your business or personal situation demands certain data it is worth the money in the long run. The charge is required because this variety of information is not easy or completely free to research, compile, and save, so distributing it on demand to others like you must also collect a fee to cover such working expenditures.

There likely will never be a phone book for cell phone numbers, and even if there were it is probable the majority of the numbers would be unlisted just like many home phone numbers today. The best way to get access to these phone numbers is to put up a small fee either to do a one time number lookup or to join a lookup directory if you will need to access the service long term.