Featured promotions at T-Mobile at Costco

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.
82
/100
AT&T
88
/100
Verizon
73
/100
5G coverage availability
More availability means having access to 5G speeds more often.
77 %
94 %
AT&T
44 %
Verizon
5G download speed
Higher speed means quicker downloads and smoother video calling.
180
Mbps
AT&T
110
Mbps
Verizon
71
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.

Featured reviews at T-Mobile at Costco

Charles Darden
March 3, 2026, 4:01 p.m.
I want to take a moment to recognize the outstanding experience I had at T-Mobile, thanks to Paul. From the moment I walked in, Paul was professional, patient, and genuinely focused on helping me. He took the time to listen to my needs, answered all of my questions clearly, and made sure I understood every step of the process. What really stood out was his knowledge and attention to detail. He didn’t rush me or try to upsell me on anything I didn’t need. Instead, he made sure I got the best plan and options that fit exactly what I was looking for. He handled everything smoothly and made what could have been a stressful process feel easy and seamless. Paul went above and beyond to ensure everything was set up properly before I left, and he made sure I was completely satisfied. Customer service like that is hard to find these days, and it truly made a difference. Thank you, Paul, for doing such a fantastic job. T-Mobile is lucky to have you on their team! View on Google
Yves Walker
Feb. 24, 2026, 7:19 p.m.
I.GLADE AM to have MAEIL AS REPRESENTATIVE OF T-MOBILE AT COSTCO TRULY SHE'S THE BEST PATIENT, KNOWLEDGE, AND RESPECT, VERY RARE SHE'S MY STAR 🌟 View on Google
Sandy Harken
Feb. 24, 2026, 2:40 a.m.
Worked with Jose today. What a knowledgeable helpful pleasant young man. Would recommend this T-Mobile group any day View on Google

Additional information about T-Mobile at Costco

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 at Costco - 675 Tatonka Ter
The leader in 5G – Now America’s largest 5G network is also America’s fastest and most reliable 5G network. Shop T-Mobile at this location. Please contact this location for full service options.
  • Activate Wireless Service
  • Activate Home Internet Services
  • Upgrade or Trade-In Your Phone
  • Exclusive Member Benefits

Locations near T-Mobile at Costco

T-Mobile Experience Store
T-Mobile SW 19th Ave Rd & SW 24th Ave
18.1 miles away
4.1
T-Mobile Store
T-Mobile at Sam's Club
5.5 miles away
4.9
T-Mobile Store
T-Mobile Leesburg Palm Plaza
11.2 miles away
5.0

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 at Costco 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 at Costco 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