Back to Search ISU Extensions & Outreach - O'Brien County Categories Clubs/Organizations Schools and Education 340 2nd St. NE , Primghar , IA , 51245 PO Box 99 , Primghar , Iowa , 51245 (712) 951-5045 (712) 957-5065 http://extension.iastate.edu/obrien Share × Print Email Facebook LinkedIn Twitter Pinterest Powered By GrowthZone