About the TRDP

Since 1998, the TRICARE Retiree Dental Program (TRDP)—administered by Delta Dental of California under contract with the U.S. Department of Defense—has provided Uniformed Services retirees and their families with an affordable dental benefits plan that today remains the only one of its kind.

Contact Us

Customer Service

Submit questions online: Customer Service Inquiry Form
Phone: 888-838-8737 (24 hours automated)
Phone: 866-847-1264 (TTY/TDD)
Phone: +866-721-8737 (International, AT&T USA Direct Access)
Customer Service available Monday through Friday excluding holidays 8:00 a.m. to 8:00 p.m., Eastern Time. International dialing instructions.

Dental Offices

Submit questions (claims and inquiries) online: Dentist Inquiry Form
Phone: 844-825-8111 (24 hours automated)

Mail Inquiries, Domestic/Overseas Claims and Appeals

Mail Inquiries and Domestic/Overseas Claims

Delta Dental of California
Federal Government Programs
PO Box 537007
Sacramento, CA 95853-7007
United States of America


Delta Dental of California
Federal Government Programs
PO Box 537015
Sacramento, CA 95853-7015
United States of America

Webmaster (Technical Questions Only)

Please contact the Webmaster by email only with questions or comments of a technical nature relating to this website.