Contact Us | Delta Dental of Washington

Hours of operation

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

General Information

 

 

 

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