Recevied a call today, 4/24/12 at 11:09am (interestingly enough, same exact date and time as Victoria!). I, too, missed the call and no voice mail was left.
I just started graduate school and do have a loan that I just took out but it's not with Sallie Mae. I received paperwork on Friday indicating that my loan is now handled by Great Lakes (I believe... recalling from memory since I'm still at work right now). So why would Sallie Mae be calling me? If this is a third party and they got a database, I'm going to be VERY unhappy....