Washington Dc Human Service Department 3919 Benning Rd Ne Washington, DC 20019 Phone : (202) 608-1099 Business Category Administration Of Social Human Resource & Income Maintenance Programs Human Services Department Of--information Systems Ofc Of 3919 Benning Rd Se Washington, DC 20001 Phone : (202) 608-1099 Business Category Government Offices-Federal Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools