Not sure where you are from, but this would be a west coast perspective. First of all, if you are selected for area code games, you most likely already are committed or have plenty of offers, same goes with pg National and USA TOS. These are the tournaments or showcases I have either attended or heard great things about on the west coast. All have high d1 coverage and Fall Classic and PG World Series have great pro scout coverage as well.
USA Baseball 17u NTC Arizona
Prospectwire East v West 17u California
Norcal World Series
Under Armour Southwest 17u California
Arizona Fall Classic
PG World Series 17u Arizona
PG Evoshield Upperclass Arizona
PG California World Series
Phil Singer Summer Series 18u California
Elite Baseball Series California
Rising Prospects showcase California