myAbbVie Assist D-617927, AP5 NE 1 N. Waukegan Rd. North Chicago, IL 60064 Phone: 1-800-222-6885 Fax: 1-866-250-2803. If you need help at any point during this process, please call us at 1-800-222-6885 Monday through Friday 7:00 AM to 7:00 PM Central Time..