I know, I get mixed times all the time. Latest email from them says:
For further assistance, please visit
https://www.traegergrills.com/support. There you can find FAQs, order tracking, self-service options and answer to most of your Traeger Grills questions. If you’re not able to find your answers online, our experienced Traeger Techs are available 365 days a year at 800-TRAEGER (800-872-3437) 7 AM to 8 PM MST and @traegersupport on Twitter.
I've never been able to call at 6, only right at 7 and it says wait time is under 2 mins (typically 2-20 mins max).
Corporate is 10am:
CORPORATE HEADQUARTERS
TRAEGER PELLET GRILLS LLC
1215 E WILMINGTON AVE SUITE 200,
SALT LAKE CITY, UT 84106
Hours Mon - Fri: 10:00 am. - 6:00 pm. Holiday hours may differ