Oldham County Of--treasurer Office 105 S Main Vega, TX 79092 Phone : (806) 267-2329 Business Category Government Offices-County Public Finance Taxation & Monetary Policy Government Offices & Public Schools Oldham County--court House, County Treasurer Charlotte Cook Vega, TX 79092 Phone : (806) 267-2329 Business Category Government Offices-County Government Offices & Public Schools