

Jack in the Box has always been the place for those who live outside the box. Where you can try new things and order what you want when you want it, while always getting it fast, hot and fresh. If you love the classics, burgers make up the core of our menu with the signature Jumbo Jack®, Ultimate Cheeseburger, the Buttery Jack™ and the Sourdough Jack® on our trademark toasted sourdough. If you seek good value, we offer Jack’s Deals with our famous two tacos, chicken nuggets, Jr. Bacon Cheeseburger and more. We don’t dictate cravings. We serve our full menu, including breakfast, all day every day. Want a burger for breakfast or breakfast sandwich for dinner? You got it.
Burgers, chicken, tacos & breakfast items fill out the menu at this fast-food chain.
Hours
| Saturday | 6 AM–12 AM |
| Sunday | 7:30 AM–12 AM |
| Monday | 6 AM–12 AM |
| Tuesday | 6 AM–12 AM |
| Wednesday | 6 AM–12 AM |
| Thursday | 6 AM–12 AM |
| Friday | 6 AM–12 AM |
Menu Photos
Order and Reservations
Order: Order online
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Order from Jack In The Box in Monrovia, California
All Jack In The Box locations in Monrovia, CA
Jack in the Box, 100 W Duarte Rd, Monrovia, CA 91016, US
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Reviews
So sorry for the mis typed words below.
Manager: There is nothing to respond to actually.
Your response means nothing.
Did you change all the pictures?
Why no more strips of bacon only bacon bits?
Seems like a bad decision.
Why out of 4-5 employees they only speak 2-3 words of English?
Not 1 person could answer why no more bacon strips, just bacon bits.
Maybe Homeland Security and ICE need to visit the store.
It seems insane that not 1 employee knew English in Monrovia Ca. Not 1.
Dec. 29, 2025. 3:52pm
In one day they do not offer Jumbp Platter.
So I want the egg burrito with strips of pictures and she said they do not carry strips of bacon anymore. All the PICTURES ARE WRONG. All are Fraud she, Adriana, admitted to.. When will the pics be amen down? The manager is off on a break at a store. How many hours quill it be before you gets back I asked Adriana and she said , oh nooo I lied. She won’t be back tomorrow. Why did she lie to me?
Just because it’s all about bacon strips and not bacon hard bits of plastic? Is it because I’m White, I can’t get strips because I’m an old White Lady? Please explain. Why are pictures up of strips but you don’t carry them?