Featured promotions at T-Mobile Grand Teton Mall

Featured categories at T-Mobile Grand Teton Mall

T-Mobile Network Performance

Data provided by Umlaut From April-2025 to September-2025   See coverage map
5G network score
The higher your score, the more likely you can connect to a faster, more stable network.
74
/100
AT&T
73
/100
Verizon
65
/100
5G coverage availability
More availability means having access to 5G speeds more often.
81 %
83 %
AT&T
59 %
Verizon
5G download speed
Higher speed means quicker downloads and smoother video calling.
149
Mbps
Verizon
69
Mbps
AT&T
35
Mbps
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T-MOBILE TRIAL

Try T-Mobile FREE
for 30 days.

Test-drive our award-winning network and some of our favorite benefits for 30 days—no commitment or credit card required. We won’t even tell your other carrier.

Get started now
Qualifying non-T-Mobile network user & compatible, unlocked device required. 1 trial user. See 5G device, coverage, & trial details at T-Mobile.com.

Compare Plan Prices vs the Other Carriers at  T-Mobile Grand Teton Mall

Featured reviews at T-Mobile Grand Teton Mall

Colton Hanning
March 10, 2026, 1:40 p.m.
Cam do good. Crew very helpful. Only one worth driveeng to. Will go again. View on Google
Jan Andreasen
March 10, 2026, 11:12 a.m.
Cameron was so knowledgeable and made our switch from a different mobile carrier so easy. If you’re in the market for new phones or thinking of going with T Mobile, I highly recommend them! View on Google
Brysen Escobar
March 10, 2026, 5:55 a.m.
I can’t recommend this T-Mobile location enough! Every time I walk into the Grand Teton Mall store, I’m greeted with a genuine smile and a great atmosphere. Cameron and the rest of the team are absolute pros. Whether I’m dealing with a technical glitch, upgrading my device, or just asking a quick question about my plan, they always go above and beyond to help me out. They have a way of making you feel truly welcomed and valued as a customer, rather than just another person in line. If you want expert service without the stress, go see Cameron and the crew. They consistently deliver top-tier support and make the whole process easy! View on Google
Nick Jackuchan
March 10, 2026, 4:55 a.m.
I recently switched over from Verizon and had a really great experience here. Taylor and Cameron helped me upgrade my phones and made the whole process super smooth from start to finish. They took the time to walk me through my options, answered all my questions, and made sure everything was set up before I left. One of the biggest bonuses was that they were able to help pay off my old phones and actually lower my monthly bill compared to what I was paying before. The whole process was way easier than I expected, and so far the service has been even better too. Overall it was a really straightforward and stress-free experience. Definitely a win-win. View on Google
malcom quenton
March 10, 2026, 4:20 a.m.
T-Mobile has consistently provided the friendliest and most exceptional customer service I’ve ever encountered. They thoroughly explain every feature of each phone, delving into the details to guide me towards the perfect device. Jazmyn, in particular, is incredibly friendly, highly knowledgeable, and always offers the best recommendations. I wouldn’t consider shopping anywhere else but T-Mobile. View on Google

Additional information about T-Mobile Grand Teton Mall

IDs Accepted
  • US State issued drivers license
  • US Passport or Permanent Resident Card (Green Card)
  • State ID
  • International student visa with passport (Visa types: M, J, F)
  • Matricula Consular card (Mexico and most Latin American countries, check with your store mobile expert)
  • Employment Authorization Document (EAD)
  • US Military ID
T-Mobile Grand Teton Mall - 2300 E 17th Street
T-Mobile Grand Teton Mall - 2300 E 17th Street

T-Mobile Grand Teton Mall
2300 E 17th Street
(208) 523-6673


Idaho Falls’s 5G leader — with coverage and perks that go beyond wireless. T-Mobile delivers America’s largest, fastest, and most advanced 5G network — now backed by satellite connectivity. Visit us at T-Mobile Grand Teton Mall to shop the latest phones from Apple, Samsung, and Google, and get expert help with the best deals and flexible payment options.

What You’ll Find In-Store:

  • Activate Wireless or Prepaid Service
  • Activate Home Internet Services
  • Purchase Phones, Tablets, and Accessories In-Store Only
  • Upgrade or Trade-In Your Phone
  • Small Business Plans And Services
  • Connected Products for Home, Family, and Automobile

Locations near T-Mobile Grand Teton Mall

T-Mobile Store
T-Mobile at Sam's Club
1.6 miles away
4.2
T-Mobile Authorized Retailer
T-Mobile Sunnyside Dr & 25th
0.8 miles away
5.0
T-Mobile Authorized Retailer
T-Mobile S Utah Ave & Simplot Cir
3.1 miles away
4.3

Got Questions about T-Mobile Stores?

Yes. Check out our special offers for new phones and great deals on our mobile phone plans.

We offer the latest iPhones. Check our store inventory and either buy in-store or online today.

Yes. Trade in your phone at a T-Mobile store and receive instant appraisal and credit. See our trade-in guide for details.

Yes, visit our T-Mobile store at T-Mobile Grand Teton Mall for assistance with setting up your device.

Browse devices and plans online, contact us for assistance, or visit this T-Mobile location at T-Mobile Grand Teton Mall for personalized help.

Yes. Some plans include subscriptions to services like Netflix or Apple TV+. Check our plans for available perks and add-ons.

Use our Store Locator to find the nearest T-Mobile store.

T-Mobile stores offer a wide range of accessories compatible with your device, including cases, chargers, and headphones.

No, you can pay your bill online through our website or the T-Mobile app.

Only compatible devices can use T-Mobile's 5G network. All new phones are 5G ready.

The T-Life app provides a simplified experience for customers by offering everything in one convenient location. In the T-Life app, T-Mobile and Metro by T-Mobile customers can access the same great perks and exclusive deals you know and love from T-Mobile Tuesdays, VIP benefits, and more! Plus, you can easily manage most aspects of your T-Mobile account directly from the T-Life app, with new features being added regularly.
Yes, the T-Life app can be found in your Google Play Store or Apple iOS App Store