Antidote 71 Share: Advertising Agencies Antidote 71 Visit Website 312 Court Street Sioux City, IA 51101 (712) 255-5882 (712) 202-1378 (fax) JD Gordon Creative Labs LinkedIn Facebook Twitter Hours: Monday through Friday 8:30 AM - 5:00 PM About Rep Info Map About J.D. Gordon is a full-service advertising, marketing and branding agency. Our passion is to provide businesses not only with great creative, but with great creative backed by a honed strategy. Whom to Contact Kim Gordon What's Nearby? Distance: 5 10 15 20 25 50 mi.