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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.
85
/100
AT&T
87
/100
Verizon
77
/100
5G coverage availability
More availability means having access to 5G speeds more often.
78 %
89 %
AT&T
67 %
Verizon
5G download speed
Higher speed means quicker downloads and smoother video calling.
259
Mbps
AT&T
152
Mbps
Verizon
50
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

gordon philibert
Feb. 13, 2026, 6:57 p.m.
Matthew was great and exceptionally helpful. The change from spectrum was very easy and he took care of almost everything. All I had to do was give him my information to input to T Mobile and it was done quick and very easy. He also walked me thru the process of what I had to do on every step!! He set up the GIFT CARDS THAT PAID FOR ALMOST HALF OF THE COST OF MY NEW I PHONE 17 PRO MAX !!!!!! View on Google
Mark Lataxes
Feb. 8, 2026, 1:26 a.m.
Mallory M. at the Costco T Mobile in Covington was fantastic. View on Google
Jorge Morales
Feb. 7, 2026, 7:46 p.m.
Great experience switching from Verizon to T-Mobile at the Costco kisok, with over $1,000 in verified gift cards savings for being a Costco member that we applied on other electronic devices… View on Google
Heather Bourgeois
Feb. 7, 2026, 6:35 p.m.
The service I received from Matthew was exceptional and over the top. He is extremely informative, took his time and made sure he explained everything to me. This young man shows great work ethic for his age and deserves a raise! View on Google
tara brown
Feb. 3, 2026, 12:17 a.m.
Do yourself a quick favor and go to Costco and sign up with Matthew. He did just get us the new phones you get with T-mobile, but also got us $1,200 in Costco gift cards. He was very interested in helping our situation and even reached back out to us to help us claim our gift cards. If you sign up for T-Mobile, Matthew will take care of you just like he did for us. 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 - 4001 Pinnacle Pkwy
T-Mobile at Costco - 4001 Pinnacle 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 at Sam's Club
0.4 miles away
5.0
T-Mobile Store
T-Mobile Holiday Square
2.9 miles away
5.0
T-Mobile Authorized Retailer
T-Mobile Hwy 21 Market Place
0.5 miles away
4.2

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