Cooperative Extension Office--butte County, Cooperative Extension Agent, 4-h County Fair, Department Of Noxious Weeds 326 E Grand Ave Arco, ID 83213 Phone : (208) 527-8587 Business Category Government Offices & Public Schools Butte County Agent 260 W Grand Ave Arco, ID 83213 Phone : (208) 527-8587 Business Category Government Offices-County Legislative Bodies Government Offices & Public Schools