Note: This message is displayed if (1) your browser is not
standards-compliant or (2) you have you disabled CSS. Read our
Policies for more information. A national bank is a financial
institution chartered by the Office of the Comptroller of the
Currency. National banks can usually be identified because they
have the words "national" or "national association" in their
titles or the letters N.A. or NT&SA following their titles.
National banks represent about 28 percent of all insured
commercial banks in the United States, holding 57 percent of the
total assets of the banking system. Mixed-up deposits, no-show
bill payments, or double debits — mistakes like this don't
happen every day. But when they do occur, complain as soon as
possible. The law may limit the window of opportunity of filing
complaints. If you have a complaint, start by calling a customer
service representative or visiting your bank. Ask for the
person's name and write it down. During the conversation, offer
a solution and ask the representativ