The Americas Zone was one of three zones of regional competition in the 2009 Fed Cup.
The top team of each pool played against one other to decide which nation progresses to the World Group II Play-offs.
The four nations that came either second or third in each pool then played-off to determine which two teams would be relegated down to Group II for 2010.
The nine teams were divided into one pool of four teams and one pool of five.
The top two teams of each pool played-off against each other to decide which two nations progress to the Group I.