Missouri Department of Revenue - Frederictown Office 135 West Main Frederictown, MO 63645-0000 (573) 783-7772 (573) 783-5990 Mon Hours: 8:30 - 4:30 Tues Hours: 8:30 - 4:30 Wed Hours: 8:30 - 4:30 Thu Hours: 8:30 - 4:30 Fri Hours: 8:30 - 4:30
