It used to be that everyone had a landline phone in their home and locating a number or address simply required opening the white pages and finding the name. This has become more complex now that cell phones are in common use and many people do not even have home phones, and if they do their number may be unpublished.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 appear without an identifying name and there are ways for callers to block their name from coming up. Reverse phone lookup services have stepped up to these changing demands to offer a very valuable service to resourceful phone users.

There are two common uses for these directories.

Searching for Names

If you are receiving calls from someone and only a number is revealed on your caller ID, or you want to identify cell phone callers, reverse phone lookup directories can assist in finding the name listed to the phone number in question. Just by typing in the number you will have access to the person who is initiating the calls of concern.

People looking for lookup directories include those who need to check up on a number frequently phoning their spouse or children's cell phone, since there is no phone book for cell phone numbers. Others may use this when they want to know a name listed to a home phone that may be unlisted. Anytime you have a number but are uncertain who it is connected to, a reverse phone lookup service can help.

Finding Addresses

another common function is to identify an address for someone, whether you know their name or not. Once you gain access to the contact information associated with a certain number most services will deliver other sorts of data as well, such as the address of the home phone 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 needing to locate a teenager who has run away or has not returned home long after curfew. If they can find phone numbers from the teenager's belongings or cell phone a reverse phone lookup could quickly tell them addresses as well as names of places the child may be at that time.

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

Lookup websites can also give you access to other various types of information, such as income brackets or address histories, and one site even gives a map with an general pinpoint to the business or home's location.

There will be a minor fee for any legitimate reverse phone lookup service, but if your business or personal life demands particular information it is money well spent in the end. The fee is required because this variety of information is not simple or free to research, compile, and protect, so issuing it on demand to others like you must also collect a charge to account for these serviceable expenditures.

There probably will never be a public directory for cellular numbers, and even if there were it is probable the majority of the numbers would be unlisted as is the case with many landline numbers right now. The only way to get access to these phone numbers is to put up a nominal fee either to do a one time phone number search or to join a lookup service if you will be using the directory on a regular basis.