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Contact GTAC at +1 800 955 0000 (US and Canada) or 1+ 714 952 5444 or Click here to view your local support phone number.
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Our customer support web pages provide you with a number of on-line support tools and services.
5800 Granite Parkway
(v): +1 800 498 5351
Tell us how we are doing, (Customer Feedback System)