Contact Us

Delta Dental appreciates the opportunity to provide you with quality dental benefits and world-class Customer Service.

Online Inquiries

Phone and Mail Inquiries

Call toll-free:
800-592-0132 (TTY/TDD 711)
Monday through Friday, 8 a.m. to 8 p.m. Eastern time
Or write to:
Delta Dental Customer Service
P.O. Box 2105
Mechanicsburg, PA 17055
Download an Enrollee Grievance Form or contact us at 800-932-0783 to request a form.
Mail your completed form or letter of complaint to:
Subscriber Services M/S A2S
Delta Dental
11155 International Drive
Rancho Cordova, CA 95670
For questions regarding grievances, for assistance with filling out the online grievance form, or to submit your grievance verbally, call us at: 800-932-0783 (toll-free).

© Delta Dental. This website is the home of Delta Dental of California; Delta Dental Insurance Company; Delta Dental of Pennsylvania; Delta Dental of New York, Inc.; Delta Dental of the District of Columbia; Delta Dental of Delaware, Inc.; Delta Dental of West Virginia, Inc. and their affiliated companies. For other Delta Dental Plans Association member companies, visit the Delta Dental Plans Association website.