First Security Bank Address: 312 Maple St, Overbrook, KS 66524 Phone: (785) 665-7155 Banks, Loans Other Businesses: Kansas State Bank at 400 Maple St, Overbrook, KS 66524 Conrad's Bar & Grill at 309 Maple St, Overbrook, KS 66524 Patch at 313 Maple St, Overbrook, KS 66524 Jack's at 101 W 8th St, Overbrook, KS 66524