Fonda, IA

ZIP code 50553 serves Knierim, a small rural community in Calhoun County, north-central Iowa. Its local points of interest are modest in scale, chiefly the Knierim Community Center and the town’s churches. The surrounding area is predominantly farmland. The Manson Impact Structure, a significant geological feature, lies in the broader region near Manson rather than being a built landmark within Knierim.