Jack in the Box
Fontana, California
fast_food
🟢 Open Now Last updated: 2/2/2026
⭐ 4.3
932 reviews
📍 Address
3910 Sierra Avenue, Fontana, California
🕒 Opening Hours
monday 9:00 AM - 8:00 PM
tuesday 9:00 AM - 8:00 PM
wednesday 9:00 AM - 8:00 PM
thursday 9:00 AM - 8:00 PM
friday 9:00 AM - 9:00 PM
saturday 10:00 AM - 10:00 PM
sunday 11:00 AM - 7:00 PM
ℹ️ About This Business
Welcome to Jack in the Box, your premier destination in Fontana. We pride ourselves on providing exceptional service and creating memorable experiences for all our guests.
Business Features & Amenities
✓ Free WiFi
✓ Credit cards accepted
✓ Outdoor seating
✓ Delivery available
✓ Takeout available
✓ Parking available