If you want to look up a mystery cell phone number or want to know the person behind that unidentified cell phone number, one of the most ways is to use the internet to conduct reverse cell phone look up numbers.

In the past, before the internet, if you want to check on the person behind the cell phone number, you would have to manually flip through thousands of yellow page listings or engage a private investigator which can cost hundreds if not thousands of dollars.

Today, with the internet, you can make use of online reverse cell phone search services to locate the detailed information of a cell phone number with just a few clicks of the mouse. The results are instant and it cost much less than hiring a private investigator.

Since cell phone companies cannot disclose the personal information of their subscribers due to privacy laws, don’t bother contacting them for information unless you are the police or FBI.

There are several reverse cell phone lookup sites that keep a large database of cell phone numbers and their related detailed information.

However, do note that there are big differences in terms of the accuracy, size and cost of reverse cell phone look up sites. Most free reverse lookup sites have limited budget and hence their records are not always accurate and complete. However, it is still a good point to start.

If you can’t find results in free reverse cell phone look up sites, you should then proceed to use paid reverse cell phone sites. These sites usually have a much larger database and their records are kept up to date.

The cost isn’t too expensive either and usually cost less than $10 per search. Most will allows you to search their database and if a positive result appear, only then do you need to pay to view the results.