North Iowa Fairgrounds’ 4-H Learning Center Loading Map.... North Iowa Fairgrounds’ 4-H Learning Center3700 4th St SW - Mason CityEvents 43.150421 -93.25802139999996 Address 3700 4th St SW Mason City IA Cerro Gordo 50401 United States Upcoming Events No events in this location mariekboyd2018-03-01T09:54:14-06:00March 1st, 2018| Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail