Not long ago, everyone had a landline phone in their home and locating a phone number or address simply required opening the phone book 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 unlisted.

Even with the development 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 prevent their details from showing up. Reverse phone lookup services have responded to these changing demands to offer a very useful service to resourceful phone users.

There are two common functions for lookup directories.

Locating Names

If you are getting calls from someone and only a number shows on your caller ID, or you want to figure out cellular phone callers, reverse phone lookup directories can assist in finding the name listed to the number in question. Just by typing in the phone number you will be able to identify the person who is responsible for those phone calls in question.

People needing this service include those who need to check up on a number frequently phoning their spouse or children's cell phone, since there is no accessible directory for cell phone numbers. Others may use this when they want to identify a name listed to a home phone that may be unlisted. If you have a number but aren't sure who it belongs to, a reverse phone lookup directory can deliver the information.

Locating Addresses

another common function is to locate an address for someone, whether you know the name of the person or not. Once you plug into the contact information linked with a specific number most directories will give other sorts of information as well, which includes the address of an home phone or the address associated with a cell phone number.

This may not be a common need for most people, but it does have its benefits in some situations. For instance, consider a parent needing to find a teenager who has run off or has not returned home long after curfew. If they can get access to numbers from the teenager's bedroom or cell phone a lookup directory could quickly uncover addresses and names of places the child may be located.

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

Lookup websites can also give you access to other sorts of information, including income brackets and previous addresses, and one site even gives a map with an rough pinpoint of the most current location.

There is a minor fee for any legitimate reverse phone lookup service, but if your business or personal life demands certain data it is money well spent in the long run. The fee is necessary because this variety of information is not easy or free to research, pull together, and protect, so issuing it on demand to others like you must also collect a fee to make up for such working expenditures.

There more than likely will never be a public directory for cellular numbers, and even if they were compiled it is probable many of the numbers would be unpublished as is the case with many home phone numbers today. The best way to get access to such numbers is to pay a nominal fee either to complete a one time number search or to join a lookup directory if you will be using the directory long term.