It used to be that everyone had a landline phone in their home and locating a number or address was a matter of opening the phone book and searching for the name. Things have grown more complicated now that cell phones are in common use 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 home phones, some numbers may appear without an identifying name and there are ways for callers to prevent their details from coming up. Reverse phone lookup providers have stepped up to these changing times to offer a very useful 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 comes up on your caller ID, or you need to figure out cell phone callers, reverse phone lookup directories can assist in finding the name registered to the phone number of concern. Just by entering the phone number you will have access to whoever is behind the calls of concern.

People needing this service include those who need to check up on a number frequently calling their spouse or children'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 is unlisted. If you have a phone number but are uncertain who it belongs to, a reverse phone lookup service can assist you.

Locating Addresses

another common use is to locate an address for someone, whether you know their name or not. Once you find the contact information associated with a certain phone number most services will deliver additional information as well, such as the address of an landline or an 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 away or is still out well past curfew. If they can come up with numbers from the teenager's belongings or cell phone a lookup directory could quickly reveal addresses as well as names of locations the child may be located.

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

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

There will be a small charge for any relevant reverse phone lookup service, but if your business or personal life requires accurate data it is more than worth the payoff in the long run. The fee is unavoidable because this sort of information is not simple or completely free to research, collect, and protect, so issuing it on demand to people such as you must also include a charge to cover such working costs.

There more than likely will never be a public directory for cell phone numbers, and even if they were compiled it is probable the majority of the numbers would be unlisted just like many home phone numbers today. The only way to obtain access to such phone numbers is to pay a nominal charge either to do a single number search or to join a lookup directory if you will need to access the service on a regular basis.