T-Mobile at Costco
(209) 767-7623
3250 W Grant Line Rd, Tracy, California, 95304
Business hours
| Monday | 10:00am to 8:30pm |
| Tuesday | 10:00am to 8:30pm |
| Wednesday | 10:00am to 8:30pm |
| Thursday | 10:00am to 8:30pm |
| Friday | 10:00am to 8:30pm |
| Saturday | 9:00am to 7:00pm |
| Sunday | 9:00am to 7:00pm |
About us
Located inside Costco Wholesale, Experience the power of T-Mobile’s 5G network by switching to T-Mobile. Staffed by experienced T-Mobile employees, we offer exclusive benefits for Costco members. Membership Required.