The Americas Zone was one of three zones of regional competition in the 2008 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 coming third in each pool then played-off to determine which team would join the fourth-placed team from the four-team pool in being relegated down to Group II for 2009.
The thirteen teams were divided into three pools of three teams and one pool of four.
The top teams of each pool played-off against one other to decide which two nations progress to the Group I.