It used to be that everyone had a landline phone in their home and locating a phone number or address simply required opening the yellow pages and locating the 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now that cell phones are in common use and many people do not even have landlines, and if they do their number may be unpublished.

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

There are two typical uses for these directories.

Searching for Names

If you are getting calls from someone and only a number comes up on your ID, or you need to identify cell phone callers, reverse phone lookup directories can assist in finding the name listed to the number in question. Just by typing in the number you will have access to whoever is responsible for those bothersome phone calls.

People in search of this service include those who need to identify a number frequently texting their spouse or children's cell phone, since there is no public directory for cell phone numbers. Others may use this when they need to know a name listed to a home phone that may be unlisted. Anytime you have a number but don't know who it belongs to, a reverse phone lookup service can assist you.

Locating Addresses

The other common function is to find an address for someone, whether you know the name of the person or not. Once you gain access to the information linked with a specific phone number most services will deliver other sorts of data as well, which may include the address of an home phone or the address listed to a cell phone number.

This may not be a typical need for most people, but it does have its benefits in quite a few situations. For example, take a parent needing to locate 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 belongings or cell phone a lookup directory could quickly reveal addresses and names of locations the child may be located.

Other situations may be searching for addresses to send out party invitations to your child's peers. If you have the phone number you can access their address and get the invite in the mail without calling and tracking down other busy parents.

Lookup directories can also give you a connection to other sorts of data, like income brackets and address histories, and one site even gives a map with an general pinpoint of where the home or business is located.

There is a small charge for any legitimate reverse phone lookup directory, but if your business or personal life demands particular information it is worth the money in the long run. The fee is necessary because this sort of information is not simple or completely free to research, collect, and protect, so issuing it as needed to people such as you must also come with a charge to make up for these working expenditures.

There more than likely will never be a phone book for cell phone numbers, and even if there were it is probable many of the numbers would be unpublished as is the case with many landline numbers right now. The best way to gain access to these phone numbers is to put up a small charge either to complete a single phone number lookup or to join a lookup directory if you will be using the service on a regular basis.