Notice:

Delta Dental of Washington will be closed on Thursday, June 19th, in observance of Juneteenth. We join in honoring this important day in history. Normal business hours will resume on Friday, June 20th. Thank you for your understanding.

Contact Us | Delta Dental of Washington

Hours of operation

  • Customer Service
    Group Plans: Monday - Friday: 6 am - 5 pm PT
    Individual & Family Plans: Monday - Friday: 8 am - 5 pm PT
  • Provider Customer Service
    Monday - Wednesday: 6 am - 5 pm PT
    Thursday - Friday: 6 am - 5 pm PT (closed between 1 - 2 pm PT)

General Information

  • Seattle Office - Main Phone
    Local phone: (206) 522-1300
  • Government Relations
    Email: Govt@DeltaDentalWA.com
    Local phone: (206) 528-2304
    Toll free: (800) 572-7835 x2304
  • Group Administration
    Local phone: (206) 528-5320
    Toll free: (800) 408-9850

 

  • Provider Services (for Washington Providers)
    Email: Provider@DeltaDentalWA.com
    Toll free:(800) 554-1907
    Toll free FAX: (800) 460-3159

 

 

  • Claims may be mailed to:
    Delta Dental of Washington
    P.O. Box 75983
    Seattle, WA 98175-0983