First and foremost you can try using a free reverse cell phone directory website and if you are not satisfied with the results you can make use of paid sites.  You can start free of cost and lookup cell phone number in most of the cell phone directories online and will be expected to pay a small fee once you find the information you are looking for. Then you can get the person’s name and address from the site. You can find this information very useful especially when you find a lot of callers hanging up just before you pick up the phone. You can make use of the cell phone directories especially in times of emergency as you will not be able to remember numerous phone numbers by heart. The nuisance calls from telemarketers can be the only drawback, otherwise the use of cell phone directories are immense and of great help.