Security First Bank of North Dakota is a locally operated, family owned community bank. We have four main banking offices, which are located in Center, New Salem, Mandan and Bismarck. We also have a part time office in Almont. Security First Bank of North Dakota was founded by local, Morton County folks in New Salem as a hometown community bank during the 1920’s. The bank, which was then named First State Bank, opened for business in New Salem on January 7, 1925.