Heidelberg Township Of Maintenance Bldg Slatington, PA 18080 Phone : (610) 767-1344 Business Category Heidelberg Township Of--maintenance Building Slatington, PA 18080 Phone : (610) 767-1344 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools Heidelberg Twp Municipal Building 6272 Route 309 New Tripoli, PA 18066 Phone : (610) 767-1344 Business Category Government Offices-City Village & Twp Legislative Bodies