what does the na mean after a bank name
National bank In the modern United States, the term national bank has a precise meaning: a banking institution chartered and supervised by the Office of the Comptroller of the Currency ("OCC"), an agency in the U.S. Treasury Department, pursuant to the National Bank Act. Inclusion in the bank's name of the word National, the designation National Association, or its abbreviation N.A. is a required part of the distinguishing legal title of a national bank, as in "Citibank, N.A." Many state banks, by contrast, are chartered by the applicable state government agencies (usually the state's department of banking). The Federal Deposit Insurance Corporation (FDIC) insures deposits at both national and state banks.
Bank of America In 1928 Giannini merged his bank with Bank of America, Los Angeles, headed by Orra E. Monnette and consolidated it with other bank holdings to create what would become the largest banking institution in the country. Bank of Italy was renamed on November 3, 1930 to Bank of America National Trust and Savings Association, which was the only such designated bank in the United States of America at that time. Giannini and Monnette headed the resulting company, serving as co-chairs.[citation needed]