Sonic Drive-In in Fullerton

Mon:8:00 am - 2:00 am
Tue:8:00 am - 2:00 am
Wed:8:00 am - 2:00 am
Thu:8:00 am - 2:00 am
Fri:8:00 am - 3:00 am
Sat:8:00 am - 3:00 am
Sun:8:00 am - 2:00 am

Please note times may vary due to seasonal opening hours and extended store trading times.
Store hours are subject to change. Please call the store for exact opening hours.