There are 24 Federal Reserve branches. As late as 2008, there were 25 branches, but in October 2008 the Federal Reserve Bank of New York Buffalo Branch was closed.
List of Federal Reserve branches
Boston
New YorkFederal Reserve Bank of New York Buffalo Branch (closed)
Philadelphia
ClevelandFederal Reserve Bank of Cleveland Cincinnati Branch
Federal Reserve Bank of Cleveland Pittsburgh Branch
RichmondFederal Reserve Bank of Richmond Baltimore Branch
Federal Reserve Bank of Richmond Charlotte Branch
Atlanta
Federal Reserve Bank of Atlanta Birmingham Branch
Federal Reserve Bank of Atlanta Jacksonville Branch
Federal Reserve Bank of Atlanta Miami Branch
Federal Reserve Bank of Atlanta Nashville Branch
Federal Reserve Bank of Atlanta New Orleans Branch
Chicago
Federal Reserve Bank of Chicago Detroit Branch
St Louis
Federal Reserve Bank of St. Louis Little Rock Branch
Federal Reserve Bank of St. Louis Louisville Branch
Federal Reserve Bank of St. Louis Memphis Branch
Minneapolis
Federal Reserve Bank of Minneapolis Helena Branch
Kansas City
Federal Reserve Bank of Kansas City Denver Branch
Federal Reserve Bank of Kansas City Oklahoma City Branch
Federal Reserve Bank of Kansas City Omaha Branch
Dallas
Federal Reserve Bank of Dallas El Paso Branch
Federal Reserve Bank of Dallas Houston Branch
Federal Reserve Bank of Dallas San Antonio Branch
San Francisco
Federal Reserve Bank of San Francisco Los Angeles Branch
Federal Reserve Bank of San Francisco Portland Branch
Federal Reserve Bank of San Francisco Salt Lake City Branch
Federal Reserve Bank of San Francisco Seattle Branch