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T-Mobile at Costco Mobile Phones ·$

Visit the T-Mobile store in Gaithersburg 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 701 Russell Ave F-229 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: (301) 232-8153

Cross Streets: Between Lakeforest Blvd and Odendhal Ave

Closed now

  • Thu 10:00 AM - 8:30 PM

701 Russell Ave Gaithersburg, MD 20877 ·145.55 mi

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Amenities

  • Accessible

Reviews

yelp
1.5 14 reviews
5 star
2 4 star
0 3 star
0 2 star
2 1 star
10
Jim L. 12/02/15

Only 3 reviews? Ok, I hope that this will lead to some business for this store. They obviously have a totally different crew working here because everyone was FANTASTIC. I got the wife an...

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Nabil R. 09/13/26

I stopped by the T-Mobile kiosk inside the Gaithersburg Costco today intending to switch six lines over from AT&T. Unfortunately, it was an incredibly negative experience. The manager, Celeste...

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Diana G. 02/29/24

I'm Incompetent customer service. They hang on you if asking to speak to a manager. Information provided differs from one person to the next you are talking. It is very frustrating!

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Michelle M. 08/17/22

Phone number associated with this business is no longer working. I tried 4 times and the first 3 times it asked if I wanted english speaking. Then sent me to some scam about a discount on...

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Starski H. 09/21/21

This particular location BLOW'S.Beware if you speak English.I went to this location to do a simple transfer of my number to a new phone the main person to handle it spoke no English at all.The...

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