Abingdon Elementary 399 Singer Rd Abingdon, MD 21009 Phone : (410) 638-3910 Abingdon Elementary Business Category Schools Schools-Elementary Schools-Public Harford County--pupil Services, Schools, Abingdon Elementary Bel Air, MD 21014 Phone : (410) 638-3910 Business Category Schools Government Offices-County Government Offices & Public Schools Harford County--schools, Schools, Abingdon Elementary Bel Air, MD 21014 Phone : (410) 638-3910 Business Category Schools Government Offices-County Government Offices & Public Schools