A driver under the age of 18 may use a cell phone while driving:

In the state of West Virginia, it is against the law for any driver to use a cell phone while driving, unless the phone is being operated through the use of hands-free equipment. However, it is against the law for a driver under the age of 18 to use a handheld or hands-free cell phone while operating a moving vehicle, except in the event of an emergency.