The Federal Reserve Seal and the Federal Reserve District Number

There are twelve different Federal Reserve Banks responsible for printing paper money in the United States. On the one dollar bill, the bank can be quickly identified by a letter code in the Federal Reserve Seal to the left of the portrait of George Washington. The letter code is also found in the prefix of the serial number. A corresponding Federal Reserve District Number code is found in four locations. The following table is a handy reference for the bank codes: