Greenville Town Of--sewerage Disposal Plant Greenville, NH 03048 Phone : (603) 878-2800 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools Greenville Sewerage Disposal 109 Wilton Rd Mason, NH 03048 Phone : (603) 878-2800 Business Category Government Offices-City Village & Twp Legislative Bodies