Image Lyon County Office Hours: Monday - Thursday: 8:00 a.m. - 3:00 p.m. Contact Information: 301 1st Avenue, Suite 225, P.O. Box 469 Rock Rapids, IA 51246 firstname.lastname@example.org 712-472-2576 Mission Statement: Iowa State University Extension and Outreach Lyon County serves Iowans through four program areas: Agriculture and Natural Resources, Human Sciences, 4-H Youth Development and Community Economic Development. The Lyon County Extension Council, county staff and ISU Extension and Outreach staff work together to provide research-based learning opportunities for our citizens. Through this partnership, we carry Iowa State University's land-grant mission across Lyon County.