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Contact Us
 
Office Location:
3100 Edgewood Road
Eureka, California 95501
Mailing Address:
P.O. Box 1395
Eureka, California 95502
Customer Service:
Monday - Friday
8:00 am - 4:30 pm
  • Phone, Fax, and Email
    • Local Phone 707-443-4563
    • Toll-free 1-866-443-4563
    • TTY/VCO/HCO to Voice (English) 1-800-735-2929
    • TTY/VCO/HCO to Voice (Spanish) 1-800-855-3000
    • Fax 707-442-2047
    • Email csr@hdnfmc.com
  • Holidays We Observe
    • New Year's Day
    • Martin Luther King, Jr. Day
    • President's Day
    • Memorial Day
    • Independence Day
    • Labor Day
    • Thanksgiving Day and the following Friday
    • Christmas Eve and Christmas Day