NJ 39:4-97.3 Using Cellphone While Driving is strictly prohibited under NJ state law. Using your phone while driving is illegal and can have serious consequences under NJ 39:4-97.3. This law aims to prevent distracted driving and protect the safety of everyone on the road. Failing to abide by this law can result in $200-$800 fines + court fees, 3 points on your license, and a 90 day license suspension.