There are 336 teams in men's college basketball.
How many college basketball teams played in 1939
Ohio has around 11 DI colleges, 1 DII college, and an NAIA DI college.
there are 460 womens college basketball teams
Currently there are 265 Division II college basketball teams.
Obviously, there are only NBA teams in the NBA, not college teams.
There are 345 division 1 teams as of the 2010-2011 season.