Gaston County Of--frequently Called Number, Social Services, Main Number Gastonia, NC 28052 Phone : (704) 862-7500 Business Category Government Offices-County Social Service & Welfare Organizations Government Offices & Public Schools Gaston County Of--department Of Social Services, Main Number 330 N Marietta St Gastonia, NC 28052 Phone : (704) 862-7500 Business Category Government Offices-County Social Service & Welfare Organizations Administration Of Social Human Resource & Income Maintenance Programs Government Offices & Public Schools