Karns City Boro Building 116 Main St Karns City, PA 16041 Phone : (724) 756-4841 Business Category Government Offices-City Village & Twp Legislative Bodies Karns City Borough Of--borough Bldg 116 Main St Petrolia, PA 16050 Phone : (724) 756-4841 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools