









Visit the T-Mobile store in Fontana and discover America's largest, fastest, and most reliable 5G network. Shop our best low-cost plans with no annual service contracts - plus our best smartphones, cell phones, tablets, internet devices, and latest promotions. If you're interested in joining the Un-carrier, our staff at 10030 Sierra Ave can assist you in the switching process. Masks are optional for fully vaccinated guests except where state or local ordinances require all guests wear a mask at all times.
Website: t-mobile.com
Phone: (909) 356-1369
Closed now
- Wed 10:00 AM - 8:00 PM
10030 Sierra Ave Fontana, CA 92335 ·2141.60 mi
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Reviews
yelpT-Mobile is the BEST SmartPhone company. So thankful I got away from Verizon because Verizon's customer service was awful and Verizon charged way too much! T-MOBILE has excellent customer service...
MoreExtremely disappointing customer service. Management needs to step in ASAP! After reading other reviews describing rude, dismissive customer service at this location, I'm disappointed to say that...
MoreI went in for a new account for my business and received an extra phone mailed to me that I never knew about. Now I'm being charged for an extra iPhone 17 in which customer service will not...
MoreVery poor service. Not a true T-Mobile center. Unable to assist with basic changes. P.m. shift workers extremely rude. Find find a T-Mobile experience center. They are the true T-Mobile affiliate....
MoreLiterally writing this as I'm waiting to be helped. It's 7:15pm right now and I've been waiting since 6:30pm. This is absolutely ridiculous. And to top it off. There was a couple that came in way...
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