T-Mobile at Costco Fullerton CA

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900 S Harbor Blvd
Fullerton, CA 92832
+1 (714) 224-8002
https://www.t-mobile.com

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Reviews

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3.01 reviews
Photo of Michael V.
Michael V.
7/20/2025

Went to the Fullerton Costco because they had a T-Mobile sub store to get my girlfriend a new i phone. The staff was helpful, unfortunately they don't have any phones in stock on site. Since...

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United States›California›Fullerton›T-Mobile at Costco Fullerton CA