Harmony Boro--council Room Mercer S Zelienople, PA 16063 Phone : (724) 452-6780 Business Category Government Offices-City Village & Twp Business Consulting Services Government Offices State & Local Government Offices & Public Schools Harmony Borough 217 Mercer St Harmony, PA 16037 Phone : (724) 452-6780 Business Category Government Offices-City Village & Twp Legislative Bodies Harmony Boro--boro Office 217 Mercer St Zelienople, PA 16063 Phone : (724) 452-6780 Business Category Government Offices-City Village & Twp Business Consulting Services Government Offices State & Local Government Offices & Public Schools