T-Mobile Store

T-Mobile at Costco

  • Costco Membership Required
  • No In-Store Pickup
T-Mobile Prepaid
T-Mobile For Business
Connect by T-Mobile

T-Mobile Network Performance

Data provided by Umlaut
 From January-2026 to June-2026
5G network score
The higher your score, the more likely you can connect to a faster, more stable network.
87
/100
Verizon
89
/100
AT&T
85
/100
5G coverage availability
More availability means having access to 5G speeds more often.
92 %
90 %
AT&T
72 %
Verizon
5G download speed
Higher speed means quicker downloads and smoother video calling.
289
Mbps
AT&T
284
Mbps
Verizon
62
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.

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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 Promotions at T-Mobile at Costco

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Via virtual prepaid Mastercard. Card typically takes 15 days.

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-LIFE

Experience the best of T-Mobile. At your fingertips.

Tap into exclusive benefits, shop our best deals 24/7, manage your account and devices, and more.

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Ready to shop now?
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

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