Sonic Drive-In Sonic Drive-In, 436 S. Broadway, Cortez, CO 81321 Local: (970) 565-3102 Visit Website Overview Amenities America's Drive-In. Designations: Colorado Restaurant Association Member, CRA ID Related Articles Magical Winter Activities for the Whole Family Q&A With Colorado's Local 'Top Chef' Star: Hosea Rosenberg Q&A With A Colorado Star Chef: Troy Guard Getting to Colorado & Getting Around Beyond the Bunny Hill: Amazing Kids' Activities at Colorado Ski Resorts Garden of the Gods: 6 Fun Things to Do