Currently, 46 states, DC, Puerto Rico, Guam, and the U.S. Virgin Islands ban text messaging for all drivers. All but 5 (FL, IA, NE, OH & SD) have primary enforcement.
Fourteen states, DC, Puerto Rico, Guam, and the U.S. Virgin Islands prohibit all drivers from using handheld cell phones while driving. All are primary enforcement laws – an officer may cite a driver for using a hand-held cell phone without any other traffic offense taking place.
No state bans all cell phone use for all drivers, but 38 states and DC ban all cell phone use by novice drivers, and 20 states and DC prohibit it for school bus drivers.