E-mail
The online inquiry forms are designed to work with Microsoft Windows based systems and MIcrosoft Internet Explorer. If you are using another platform or browser and encounter difficulties, please contact Customer Service via telephone or mail for assistance.

Current Enrollees, Prospective Enrollees, Beneficiary Liaisons, Other:
Online Customer Service Inquiry Form **

Dentists:
Online Dentist Inquiry Form **

Telephone
Customer Service
888-838-8737
Monday - Friday, excluding holidays
6:00 a.m. - 6:00 p.m. PST

Interactive Voice Response (IVR)
Monday - Sunday
24 hrs.

International Toll-Free
(AT&T USADirect Access Number*) plus 866-721-8737
24 hours a day, 7 days a week

*For assistance with international dialing instructions, please visit www.usa.att.com/traveler/index.jsp

Mail
Enrollment, eligibility, billing and all other requests
Delta Dental of California
Federal Government Programs
PO Box 537008
Sacramento, CA 95853-7008
United States of America

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

1st level appeals
Delta Dental of California
Federal Government Programs
PO Box 537015
Sacramento, CA 95853-7015
United States of America

To ensure accuracy and a prompt response, all internet inquiries related to the program must be submitted using the Online Customer Service Inquiry Form. Please contact the Webmaster only with questions or comments of a technical nature relating to the TRDP web site. Submitted documents and program related questions may be returned.