It used to be that everyone had a landline phone in their home and searching for a number or address simply required opening the yellow pages and searching for the name. Things have grown more complex now that cell phones are widely used and many people do not even have landlines, and if they do their number may be unpublished.

Even with the development of caller ID on most landlines, some numbers may come up without an identifying name and there are ways for callers to stop their details from coming up. Reverse phone lookup services have responded to these changing times to provide a very useful service to modern phone users.

There are two typical functions for lookup services.

Locating Names

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

People looking for lookup directories include those wanting to identify a number often 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 Others may use this when they need to identify a name listed to a home phone that may be unpublished. Whenever you have a number but aren't sure who it belongs to, a reverse phone lookup service can deliver the information.

Finding Addresses

another common function is to locate an address for someone, whether you know their name or not. Once you find the information connected with a specific phone number most directories will deliver 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 an everyday need for most people, but it does have its benefits in some situations. For example, take a parent desperate to locate 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 tell them addresses and names of locations the teenager may be located.

Other circumstances 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 easily deliver the invite without calling and tracking down other busy people.

Lookup websites can also deliver access to other kinds of information, including income brackets and address histories, and one site even gives a map with an general pinpoint to the business or home's location.

There is a small charge for any up to date reverse phone lookup service, but if your business or personal life requires particular information it is worth the money in the long run. The charge is unavoidable because this variety of information is not easy or completely free to research, pull together, and protect, so dispensing it on demand to consumers like you must also include a fee to account for these serviceable expenditures.

There likely will never be a public directory for cell phone numbers, and even if they were compiled most likely many of the numbers would be unpublished as is the case with many landline numbers right now. The only way to obtain access to these numbers is to pay a small charge either to do a one time number search or to join a lookup service if you will be using the directory on a regular basis.