Us Consolidated Farm Service Agency 1691 N 31st Rd Ottawa, IL 61350 Phone : (815) 433-0551 Business Category Land Mineral Wildlife & Forest Conservation Agriculture Dept Of--usda Service Centers, Lasalle County Ottawa, IL 61350 Phone : (815) 433-0551 Business Category Government Offices-Federal Government Offices & Public Schools United States Government--agriculture Dept Of, Usda Service Centers, Lasalle County 1691 N 31st Rd Ottawa, IL 61350 Phone : (815) 433-0551 Business Category Government Offices-Federal Government Offices & Public Schools