Co-Mo's service area comprises approximately 2,300 square miles in Central Missouri. Its boundaries extend from the Missouri River on the north to the Lake of the Ozarks and Truman Dam on the south and southwest, respectively; west to within eight miles of Sedalia; and east to within six miles of Missouri's capital city, Jefferson City. The northern two-thirds is primarily agricultural with Interstate 70 traversing east and west across northern Cooper County. The Union Pacific Railroad link between St. Louis and Kansas City lies across the mid-section of Co-Mo's service area. The southern third is more hilly and wooded in the Lake of the Ozarks Region where a majority of Co-Mo's growth is occurring primarily due to the influence of the Lake and a resulting growth in the resort and tourist industry.