7675 E Union AveDenver, CO 80237 Phone: +1 303-770-4200Fax: +1 303-843-9480Toll Free: +877-STAY-HGI Hotel E-mailHotel Website Classification 6 First Class Commission Rooms Rates 10% 180 - Hoteliers! Is your information accurate? Update Here Hilton Garden Inn Denver Tech Center Location & Neighborhood Denver Tech Center - 27 MI, 40 min from Denver Intl airport.