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Jamba

3.7

About this business

Location details

16635 Sierra Lakes Pkwy #100, Fontana, CA 92336, Fontana, CA, 92336, United States

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WeekdayScheduleStatus
Mon8:00 a.m. to 8:00 p.m.
Tue8:00 a.m. to 8:00 p.m.
Wed8:00 a.m. to 8:00 p.m.
Thu8:00 a.m. to 8:00 p.m.
Fri8:00 a.m. to 9:00 p.m.
Sat8:00 a.m. to 9:00 p.m.
Sun8:00 a.m. to 8:00 p.m.
3.7232 reviews
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Kelsey Chambers's profile image
Kelsey Chambers 
4 weeks ago

Keigan Made my bowl custom and it made my day. Thank you :)! 

F Moore's profile image
F Moore 
2 months ago

Order 3 smoothies and received 3 juicees. Not sure what they were blending but it's noway they put ice in it. All 3 were literally just juice. Kids were disappointed. I had 3 so I didn't realize it until we were already back on the road or I would have returned them for smoothies. Given how much they raised the prices they need to train their workers to give a decent product. 

Nikki Alva's profile image
Nikki Alva 
2 months ago
Efia Serwaah's profile image
Efia Serwaah 
4 months ago

On June 28th 2025, I went to Jamba Juice in Sierra lakes pkwy. Angelica N was the only worker this day around 12 noon and she was very rude whiles I was ordering. I ordered a smoothie and an oatmeal bowl. The smoothie wasn’t good and as for the oatmeal is very disgusting. The oats weren’t cooked well and I ended up throwing it away. I was really disappointed on the service and the food on this day. She seemed very disorganized and was rushing orders. She mixed about 4 peoples orders up. She didn’t look happy to be there. Ove... read more

Amanda O.'s profile image
Amanda O. 
4 months ago

On June 28th 2025, I went to Jamba Juice in Sierra lakes pkwy. Angelica N was the only worker this day around 12 noon and she was very rude whiles I was ordering. I ordered a smoothie and an oatmeal bowl. The smoothie wasn’t good and as for the oatmeal is very disgusting. The oats weren’t cooked well and I ended up throwing it away. I was really disappointed on the service and the food on this day. She seemed very disorganized and was rushing orders. She mixed about 4 peoples orders up. She didn’t look happy to be there. Ove... read more

Frequently asked questions about Jamba

How is Jamba rated?

Jamba has a 3.7 star rating with 232 reviews. 

When is Jamba open?

Jamba is open now. It will close at 8:00 p.m.  

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