The Americas Zone was one of three zones of regional competition in the 2013 Fed Cup.
The two pool winners took part in play-offs to determine the nation advancing to the World Group II Play-offs.
The nations in second place in each pool played off against each other to determine the final positions within the group.
For the relegation Play-off, the nations in third place in each pool played off against the nations in fourth position in the other pool to determine which two nations were relegated to Americas Zone Group II in 2014.
The winner of each pool was promoted to Americas Zone Group I in 2014.