T-Mobile at Costco is praised for its excellent customer service. Reviewers highlight the professionalism, patience, and kindness of employees like Fernando Baza and Tammy, who effectively assist customers with phone issues and choices. Tammy is specifically noted for her ability to address numerous questions, transforming stressful situations into positive experiences. Ever W. also receives commendation for his knowledge and empathetic support. Overall, the staff at this location is seen as a valuable asset to the T-Mobile brand.
Went up here earlier in the week to preorder a new phone and was helped by Jay! He was absolutely wonderful and made the process very easy! 10/10
June 2026
Love Vanessa and other staff here at this location. They’re such helpful and friendly folks
February 2026
Hi,My name is Eva Chen,I would like to express my special thanks to Mr. Fernando Baza for his excellent service. He was very patient, kind, and professional in helping me resolve my phone problem. Thank you !
