Harford County--health Department, Cancer Prevention Services 120 S Hays St Bel Air, MD 21014 Phone : (410) 879-6988 Business Category Government Offices-County Government Offices & Public Schools Harford County--health Department 838-1500, Question, Alcoholism Services Fork, MD 21051 Phone : (410) 879-6988 Business Category Government Offices-County Administration Of Public Health Programs Government Offices & Public Schools