Potter County Extension Agents 3301 E 10th Ave Amarillo, TX 79104 Phone : (806) 373-0713 Business Category Government Offices-County Legislative Bodies General Government Potter County Of--texas Cooperative Extension-county Extension Agents, Family & Consumer Sciences-sue Church 3301 E 10th Ave Amarillo, TX 79104 Phone : (806) 373-0713 Business Category Government Offices-County Government Offices & Public Schools