Arbor Bank has its main office at 911 Central Avenue in Nebraska City, Otoe County, open Monday through Friday, 8:30 a.m. to 4 p.m. Local ATMs include the bank drive-thru, CHI Health St. Mary’s and Tag’s One Stop. The bank has served Nebraska City since 1991 and also has offices in Omaha, Elkhorn and western Iowa. Member FDIC.