Contact Us Thank you for your interest in AWG! AWG Headquarters office@awg.org 1333 W. 120th Avenue, Suite 211 Westminster, CO 80234 Phone: (303) 412-6219 Fax: (303) 253-9220 The AWG office is staffed on Tuesdays, Wednesdays, and Thursdays – 7:30 am to 3:00 pm MST.