Great Western Bank Address: 1407 E 7th St, Atlantic, IA 50022 Phone: (712) 243-6229 Hours: Mon: 9am-4pm Tue: 9am-4pm Wed: 9am-4pm Thu: 9am-4pm Fri: 9am-4pm Banks, Loans, Savings & Loan Associations, E Commerce Other Businesses: Rolling Hills Bank & Trust at 1307 E 7th St, Atlantic, IA 50022 T S Bank at 1005 E 7th St, Atlantic, IA 50022 Tier One Bank at 808 E 7th St, Atlantic, IA 50022 First Whitney Bank & Trust at 223 Chestnut St, Atlantic, IA 50022