See the NASPA tournament calendar for a complete listing of NASPA-sanctioned tournaments. Also see cross-tables.com for more links to tournament flyers and lists of tournament entrants. Invitational tournaments are indicated by an *.
You must be a member of NASPA to play in these tournaments. Membership is $30/year, with a 6-month trial membership available to new players for $15. You can join or renew your membership online at http://www.scrabbleplayers.org/w/Membership.