Jack in the Box
$ • Fast Food, Burgers, Tacos
Hours:
8134 Sierra Ave., Fontana
(909) 427-0109
About Jack in the Box
Customers' Favorites
A Sausage Breakfast Jack Meal with a Hot Coffee
Sausage Breakfast Jack and a Hashbrown
Chicken Club Sandwich
Ultimate Cheeseburger
Seasoned Curly Fries
Meat Lovers Burrito
Chicken Sandwich
Stuffed Jalape
Onion Rings
Mini Churros
Jack in the Box Reviews
Ratings
Menu
Add a Menu
Hours
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
| Sunday | Open 24 hours |
Jack in the Box is known for its great service at the drive-thru, with employees like Adrian setting the bar high for customer satisfaction. However, some customers have experienced minor hiccups like missing straws in their orders. Despite this, the restaurant maintains its reputation for serving hot and delicious food, especially during early morning hours. With polite and efficient staff, Jack in the Box continues to provide a positive dining experience for its customers.