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    AT&T Store

    2.5 (120 reviews)
    Closed 10:00 am - 7:00 pm
    Updated over 3 months ago

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    Reviews With Photos - AT&T Store

    Need a Sim Card for one of the phone
    James Catalino R.

    Actually i am given this review to the manager i believe his name is Daniel. Getting with the service with a family plan is better than anything else more convenient. Instead of having independent. The manager went out of the way for us to help us with the cell phone service. He is fast, he knows what he is doing and patience. I like when we get across people who care for The company they work and goes out of the way for the customers. This is why i am giving this review because people deserve the merits are doing for you and for others.

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    2 years ago

    Helpful 1
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    9 months ago

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    2 years ago

    Helpful 1
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    1 year ago

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    3 years ago

    Helpful 2
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    1 year ago

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    2 years ago

    Helpful 0
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    2 years ago

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    2 years ago

    Helpful 1
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    2 years ago

    Helpful 1
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    3 years ago

    Helpful 1
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    3 years ago

    Helpful 1
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    6 years ago

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    Manager

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    Photo of Karen W.
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    3 years ago

    Helpful 0
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    3 years ago

    Helpful 0
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    7 years ago

    Helpful 2
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    2 years ago

    Helpful 0
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    2 years ago

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    2 years ago

    Great service by your rep Nicholas, he was nice and attentive as he helped us upgrade cell phones

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    4 years ago

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    7 years ago

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    3 years ago

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    2 years ago

    Nick rep has been very helpful, courteous and very knowledgeable. He is an asset to ur company. Thank you

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    3 years ago

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    3 years ago

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    5 years ago

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    Manager

    Helpful 1
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    4 years ago

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    Photo of Cesar O.
    1053
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    13 years ago

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    Photo of Customer Care

    Customer Care

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    Photo of Dan B.
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    7 years ago

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    6 years ago

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    Manager

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    Photo of Art N.
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    4 years ago

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    6 years ago

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    5 years ago

    Terrible service. Could not activate my new cell phone . If they cant activate it how can I. Was told to call customer care. Realy?

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    6 years ago

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    5 years ago

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    Photo of Robin S.
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    7 years ago

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    Manager

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    5 years ago

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    5 years ago

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    3 years ago

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    4 years ago

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    Page 1 of 3

    Ask the Community - AT&T Store

    Slow service not much help?

    Limited cell towers especially towards the 210 freeway between baseline and campus. It does not usually matter what time of day but of course rush hour makes data downloads impossible.

    Don’t See Your Question? Ask Away!

    Review Highlights - AT&T Store

    I went to this location to upgrade my phone for the iPhone XR and i received the best customer service from Bryson.

    Mentioned in 2 reviews

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    T-Mobile

    T-Mobile

    3.2
    (55 reviews)
    6.1 mi
    $$$
    Virtual estimates
    Shipping

    I would like to recognize Siman R. and his protégée Dom L. at the T-Mobile location in Ontario…read moreMills for delivering what has become increasingly rare today--authentic, professional, and customer-focused service. From the moment I walked in, Siman and Dom took the time to understand my needs, explain my options clearly, and help me upgrade my phones without any pressure or sales gimmicks. There was no bull, no unnecessary upselling, and no attempt to steer me toward products or services I didn't need. Instead, they focused on creating a true win-win experience. Their product knowledge was exceptional, and they helped me maximize the value of my upgrade by ensuring I benefited from promotions that included an Android smartwatch and a Harman Kardon portable Bluetooth speaker. More importantly, they patiently answered every question and made sure I fully understood my options before making any decisions. What stood out most was their professionalism, honesty, and genuine commitment to customer satisfaction. Siman clearly leads by example, and Dom is developing into an outstanding representative under his mentorship. Together, they represent the kind of team that builds long-term customer loyalty and trust. As a customer, I left feeling respected, informed, and confident that I had received the best possible service. That is not something I say lightly. If you're a T-Mobile customer looking for a seamless, straightforward, and genuinely enjoyable experience, I highly recommend seeking out Siman R. and Dom L. at the Ontario Mills T-Mobile store. They have earned my highest recommendation and a well-deserved five-star rating. Outstanding job, gentlemen. Thank you for proving that exceptional customer service is still alive and well. MSgt Charles Navarro, Jr. USAF (Retired) Rancho Cucamonga, California

    Went in to get assistance transferring my mom's cell phone number after her husband of 65 years…read morepassed away. Briana M greeted us warmly as soon as we walked in. She was helpful and attentive to my mother. She was able to address Mom's problem quickly, but we never felt rushed. In fact, as we were leaving, she offered her condolences and I could sense the sincerity. She made what could have been a very difficult conversation pleasant and kind.

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    AT&T Store - mobilephones - Updated August 2026

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