Delta Dental of California Customer Service for Enrollees and Providers

Enrollee Services

Online Inquiries

Phone and Mail Inquiries

Delta Dental's Customer Service Department

Call toll-free:
800-765-6003 (TTY/TDD 711)
Monday through Friday between 5:00 am and 8:00 pm, Pacific time
Or write to:
Delta Dental Customer Service
P.O. Box 997330
Sacramento, CA95899-7330

DeltaCare USA Customer Service

Call toll-free:
800-422-4234 (TTY/TDD 711)
Monday through Friday between 5:00 am and 6:00 pm, Pacific time
Or write to:
DeltaCare USA Customer Service
P.O. Box 1803
Alpharetta, GA 30023

Send written grievances to:

  • Quality Management Department
  • P.O. Box 6050
    Artesia, CA 90702
  • Fax: 562-924-6914

The Quality Management department will send you a written determination via U.S. postal service within 30 days of receipt of your Enrollee Assistance Form or letter of complaint. Submissions involving severe pain and/or an imminent serious threat to your health will be reviewed immediately.

If you purchased an individual dental plan through our website, please visit our Individuals and Families contact page.


Provider Services

Online Inquiries

Phone and Mail Inquiries

Delta Dental's Customer Service Department

Call toll-free:
888-335-8227
Or write to:
Delta Dental Customer Service
P.O. Box 997330
Sacramento, CA 95899-7330

DeltaCare USA Customer Service

Call toll-free:
800-422-4234
Monday through Friday between 5:00 am and 6:00 pm, Pacific time
Or write to:
DeltaCare USA Customer Service
P.O. Box 1803
Alpharetta, GA 30023