Regardless of your school preferences, these calls are an extremely valuable opportunity to:
-Explore a school with which you may be unfamiliar 
-Hear head coaches discuss the recruiting process
-Learn about the differences in athletic levels and scholarships
-Hear recruiting insight that will apply to many situations and not necessarily specific to that school
-Ask questions (except with DI coaches due to specific rules)
Even if a school is not of interest to you:
-Keep in mind many coaches have been at other schools and may speak to that experience
-College coaches know each other! it is beneficial to be seen, heard, and appear at EVERY opportunity because you never know where it will lead
-KEEP YOUR MIND OPEN! Your perfect match may be a school you never heard of!