Donaldson, AR

ZIP code 71941 serves Grannis, a small community in southern Polk County, Arkansas, along U.S. Highway 71. The area’s most notable features are Grannis’s town center and the surrounding Ouachita National Forest, known for its forested hills and outdoor recreation. The Cossatot River and Cossatot River State Park-Natural Area are prominent regional attractions near Grannis.