The administering Delta Dental Member Company for the state of MT is:
DDIC - Alaska
Customer Service Phone Number(s): 800-521-2651
800-453-5577
FAX: 801-575-5171
Mailing Address: 257 East 200 South, Suite 375
Salt Lake City, UT 84111
Online Customer Service: www.deltadentalins.com/contact.html