Featured promotions at T-Mobile at Costco

T-Mobile Network Performance

Data provided by Umlaut From July-2025 to December-2025   See coverage map
5G network score
The higher your score, the more likely you can connect to a faster, more stable network.
85
/100
AT&T
82
/100
Verizon
70
/100
5G coverage availability
More availability means having access to 5G speeds more often.
84 %
93 %
AT&T
46 %
Verizon
5G download speed
Higher speed means quicker downloads and smoother video calling.
292
Mbps
AT&T
72
Mbps
Verizon
66
Mbps
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T-MOBILE TRIAL

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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.

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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

Ilene Paige
June 2, 2026, 8:13 p.m.
OMG - After having my phone hacked and being locked out I went to a T mobile store on CR 210 and dealt with Colby who is am assistant manager - he said there was absolutely nothing he could do and that I could go to Geek Squad. Next we went to Costco where there was a kiosk for T Mobile. I explained to Matt what I had experienced and he said no problem - I can help you. Within 2 minutes my phone was unlocked, new password set and all of my accounts and data were there If it hadn't been for Matt there is no telling if I ever would have gotten into my phone without having to erase everything For those of you who think 6hst using a authorized store is the way to go- for me never again. I will use Costco and Matt in St. Augustin for new phones,computers and any other T mobile device I need. I have literally never had such an easy and painless experience and I am 65 and trust me - if you need real help and live in the area just go see Matt. He is amazing and that doesn't even express my gratitude to him. I hope you're listening T Mobile because h3 single handedly saved you from us changing to a different carrier after the bad experiences I have had in stores. He should be teaching your employees what he did instead of saying i can't do anything- we just sell phones - you're on your own 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 - 215 World Commerce Pkwy
T-Mobile at Costco - 215 World Commerce Pkwy
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 Store
T-Mobile Race Track
8.7 miles away
4.3
T-Mobile Store
T-Mobile Cobblestone Village
11.5 miles away
4.0
T-Mobile Store
T-Mobile Anastasia Plaza
15.7 miles away
4.7

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