Welcome to the Arizona State Soccer Association (ASSA) website. Our organization has over 250 teams in leagues throughout the Phoenix Metro area, Tucson, Flagstaff, and the several surrounding areas. ASSA is an affiliate of the United States Soccer Federation (USSF) and the United States Adult Soccer Association. ASSA is a part of Region IV of both of those organizations. ASSA has league members in its association. It does not typically register teams or players directly to the Association. To join a league or team, contact a league in your area. If you are a league interested in joining ASSA, contact us directly. Find an ASSA affiliate league in my area. Find an ASSA board member Contact ASSA