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
    
        
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                Seattle Office - Main Phone
                Local phone:  (206) 522-1300
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                Government Relations
                Email:  Govt@DeltaDentalWA.com
 Local phone: (206) 528-2304
 Toll free: (800) 572-7835 x2304
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                Group Administration
                Local phone: (206) 528-5320
 Toll free: (800) 408-9850
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                Provider Services (for Washington Providers)
                Email:  Provider@DeltaDentalWA.com
 Toll free:(800) 554-1907
 Toll free FAX: (800) 460-3159
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                Claims may be mailed to:
                Delta Dental of Washington
 P.O. Box 75983
 Seattle, WA 98175-0983
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