Recent social media posts
09/03/2026
$500 isn't the only thing I'm giving away 👀
For any students surviving on a budget, I've got you:
⚡ $1 Breakfast Jack® w/ order of a Red Bull® Can or Infusion
⚡ $1 Red Bull® w/ order of a Breakfast Croissant
⚡ Free regular-size fries (Curly or French) or dessert w/ order of a Red Bull Infusion
Offers valid 1x per week (Mon.-Sun.) for new and existing Jack Pack Rewards members. Available only in the Jack App. Dessert excludes shakes.
09/01/2026
the fortune doesn't lie 🥠 get 2 tacos for $.75, no purchase requirement, in-app only for one day only
09/01/2026
Donate $1 to No Kid Hungry at Jack in the Box and get a free small curly fry on your next visit.
08/31/2026
Get Free 2 Tacos w/ $1 minimum order
1x only on 8/31 only on the Jack App
08/28/2026
nothing better than tacos unless it's more tacos. 🌮
08/27/2026
Did you catch everything revealed today? If not, Jack delivers.
08/26/2026
The universe gave you a week-long head start. 🛸
Don't waste it.
Cosmic Cheeseburgers are only at my 1220 Centinela Ave, Inglewood, CA location through September 2. 🌌🍔
08/24/2026
Early class. Low battery. We got you. ⚡
Pair any Red Bull Can or Infusion with a Breakfast Jack for just $1 in the Jack App.
Valid 1x per week.
08/21/2026
friends = me, myself, and I
08/20/2026
What's more whimsical than my new Cosmic Cheeseburger? 🛸🪐🌟 Available for 2 weeks only at 📍1220 Centinela Ave, Inglewood, CA 90302
08/19/2026
body: resurrected
12/13/2018
Click here for great offers and stuff!
Burgers. Breakfast. Tacos and more. All of Jack’s favorite things in one place.
Address
1165 S Diamond Bar Boulevard
Diamond Bar, CA
91765
To get to the fast food restaurant located on S Diamond Bar Boulevard in Diamond Bar, you can take the public transport by taking a bus to Diamond Bar Boulevard and Grand Avenue or Diamond Bar Boulevard and Pathfinder Road. Get off at either of these stops and walk along S Diamond Bar Blvd until you reach your destination.
If driving, take the Pomona Freeway (State Route 60) and exit at Diamond Bar Boulevard. Turn onto S Diamond Bar Boulevard heading southbound and continue until you find a suitable parking spot nearby.
Opening Hours
| Monday |
6am - 12am |
| Tuesday |
6am - 12am |
| Wednesday |
6am - 12am |
| Thursday |
6am - 12am |
| Friday |
6am - 1am |
| Saturday |
6am - 1am |
| Sunday |
7am - 11:30pm |
Alerts
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What people say
Fast food restaurants are known for their quick service and delicious meals that satisfy cravings. Jack in the Box on S Diamond Bar Boulevard is no exception. This fast food restaurant offers a wide variety of menu items, from burgers to tacos to egg rolls, ensuring that there is something for everyone.
Customers have taken to social media to express their love for Jack in the Box. One customer couldn't decide what to get, so they got it all! Another customer even uses a jar to save up money specifically for Jack in the Box visits.
Jack in the Box also offers great deals and promotions through their app and online ordering system. Customers can celebrate their birthday with 2 free tacos with a $1 purchase, or get 2 tacos for only .99 cents when ordering through the app or online.
In addition to classic menu items, Jack in the Box also introduces new items like their upcoming jack wraps and Pineapple Express family meals. And let's not forget about dessert - customers can even enjoy breakfast for dessert!
Overall, Jack in the Box on S Diamond Bar Boulevard is a great choice for those looking for fast and tasty food options.
