Petworth Library 4200 Kansas Ave Nw Washington, DC 20011 Phone : (202) 541-6300 Petworth Library Business Category Libraries Library-public--neighborhood Libraries, Petworth Georgia Avenue & Ups Washington, DC 20001 Phone : (202) 541-6300 Business Category Government Offices-Federal Government Offices-City Village & Twp Libraries Government Offices State & Local Government Offices & Public Schools