You will receive a email from Ford directly aslong as they have your correct email address. Typically Thursdays and fridays when they are sent out if they are scheduling for builds that week.
All the ones I have asked have told me. You must have gotten someone on a bad day. But anywho. When mine was changed to 02, it was scheduled for a build date the following week. I got in a routine of asking almost every Friday, I was getting frustrated and losing hope.