Government/State go Results Found: 3 Button group with nested dropdown Iowa State Fair 3000 E. Grand Ave. Des Moines IA 50317-0003 515-262-3111 Iowa State University Extension and Outreach Polk County 1625 Adventureland Dr. Suite A Altoona IA 50009 515-957-5760 IowaWORKS IowaWORKS 200 Army Post Rd. Suite 44 Des Moines IA 50315 (515) 218-0665