The Federal Reserve Districts

 1 - A - Boston, MS
 2 - B - New York, NY
 3 - C - Philadelphia, PA
 4 - D - Cleveland, OH
 5 - E - Richmond, VA
 6 - F - Atlanta, GA
 7 - G - Chicago, IL
 8 - H - St. Louis, MO
 9 - I - Minneapolis, MN
10 - J - Kansas City, MO
11 - K - Dallas, TX
12 - L - San Francisco, CA