Unico Bank Fsb Address: 203 E Jackson St, Harrisburg, AR 72432 Phone: (870) 578-2464 Banks, Regions Bank Other Businesses: First National Bank-Harrisburg at 201 E Jackson St, Harrisburg, AR 72432 First National Bank-Harrisburg at 605 N Illinois St, Harrisburg, AR 72432 Unico Bank at 1100 N Illinois St, Harrisburg, AR 72432 Mallard Inn at 1107 N Illinois St, Harrisburg, AR 72432