The zone's competition was held in round robin format in Panama City, Panama, from 30 June to 3 July 2021.
Date: 30 June–3 July 2021 Location: Centro de Alto Rendimiento Fred Maduro, Panama City, Panama (clay) Format: Round-robin basis.
Nations finishing top of their group, as well as the best second-placed nation, will play-off for promotion to the World Group II Play-offs in 2022.
Standings are determined by: 1. number of wins; 2. number of matches; 3. in two-team ties, head-to-head records; 4. in three-team ties, (a) percentage of sets won (head-to-head records if two teams remain tied), then (b) percentage of games won (head-to-head records if two teams remain tied), then (c) Davis Cup rankings.
The best second placed nation will be determined the following way (in the order set out below): For the two nations competing in the groups of four (Groups B & C), the results of the ties against the team that finishes in fourth place in those groups will not be included in the above calculations.