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Customer Service in Mid-Atlantic States for Enrollees and Providers

Customer service for the following companies:

Delta Dental of Delaware
Delta Dental of the District of Columbia
Delta Dental of New York
Delta Dental of Pennsylvania (and Maryland)
Delta Dental of West Virginia

Online Inquiries

Customer Service Form

Phone and Mail Inquiries

Call toll-free:: 800-932-0783.; Customer Service representatives are available from 8 a.m. to 8 p.m. Eastern Time, Monday through Friday.

Or write to:: Corporate Headquarters; One Delta Drive
Mechanicsburg, PA 17055-6999

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Corporate Information

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