Dauphin County Of--cooperative Extension 1451 Peters Mountain Rd Dauphin, PA 17018 Phone : (717) 921-8803 Business Category Attorneys Government Offices-County Clubs Associations Fraternal Organizations Social Security Counselors & Representatives Administration Of Social Human Resource & Income Maintenance Programs Government Offices & Public Schools Penn State Co-operative Ext 1451 Peters Mountain Rd Dauphin, PA 17018 Phone : (717) 921-8803 Business Category Government Offices-County Legislative Bodies