Mill Creek Twp Office 371 Foster Rd Utica, PA 16362 Phone : (724) 376-7009 Business Category Government Offices-City Village & Twp Legislative Bodies Mill Creek Township Of--mercer County 3947 Sandy Lake Rd Sandy Lake, PA 16145 Phone : (724) 376-7009 Business Category Government Offices-City Village & Twp Government Offices State & Local Legislative Bodies Government Offices & Public Schools