230th Street in Greenfield Township, Calhoun County, Iowa

230th Street in Calhoun County is a secondary road. It runs in an east-west direction starting from Ogden Avenue and crosses Preston Avenue, Quinton Avenue, Red Oak Avenue, Traer Avenue, Upland Avenue, Valley Avenue, Waukon Avenue, 2nd Avenue West, 1st Avenue West, Center Avenue and 1st Avenue East. It connects Greenfield Township, Center Township and Knierim. 230th Street also exists in Twin Lakes Township.