First Security Bank & Trust Co Address: 511 Main St, Dumont, IA 50625 Phone: (641) 857-3204 Hours: Mon: 8am-6pm Tue: 8am-6pm Wed: 8am-6pm Thu: 8am-6pm Fri: 8am-6pm Sat: 8am-12pm Banks Other Businesses: Gary Witte Construction at 17939 Evergreen Ave, Dumont, IA 50625 D T's Roadhouse at 507 Main St, Dumont, IA 50625 Mabels at 512 Main St, Dumont, IA 50625 William W Nolte Law Firm at 12367 240th St, Dumont, IA 50625