Here Delta Dental of Michigan shares customer service number, customer service email id, address detail of Delta Dental of Michigan as well as other related links that can assists its customer to tackle their problem. customer service number of Delta Dental of Michigan : +1 (866) 356-0301, +1 (800) 524-0147, +1 (800) 971. Address detail of Delta Dental of Michigan : 4100, Okemos Road, Okemos, Michigan, MI 48864, United States.