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