CONTACT Comments, Concerns & Suggestions: Have tips to make ADC a better place to work? Leave them here! Email: HERE Kansas City ADC Headquarters 312 SW Market Street Lee’s Summit, MO 64063 Get Directions Contact details: Call: 816-347-8184 Email: HERE Fax: 816-347-0414 Springfield 4545 S Harvard Springfield, MO 65804 Get Directions Contact details: Call us: 417-719-7400 Email: HERE Fax: 417-889-0828 St. Louis 1600 N 2nd Street St. Charles, MO 63301 Get Directions Contact details: Call us: 636-373-9600 Email: HERE Fax: 636-493-9587