Gaston County Of--public Works Department Of, Solid Waste Management, Landfill Operations/county Engineer 3155 Philadelphia Church Dallas, NC 28034 Phone : (704) 922-0267 Business Category Government Offices-County Business Services Sanitary Services Government Offices & Public Schools Gaston County Landfill 3155 Philadelphia Church Rd Dallas, NC 28034 Phone : (704) 922-0267 Business Category Government Offices-County Legislative Bodies Gaston County Of--solid Waste/recycling 3155 Philadelphia Church Dallas, NC 28034 Phone : (704) 922-0267 Business Category Government Offices-County Government Offices & Public Schools