Me three! I also did my undergraduate degree in linguistics. I did my post-bacc classes at Portland State, and I based the classes I took on their graduate school admission requirements because they were my first pick. I looked at my other top choices too and tried to make sure I fulfilled their requirements. At PSU as far as I recall there was no specific post-bacc program, I just enrolled as an unmatriculated, non-degree seeking student.
I ended up going to Idaho State for my master's, which was my back-up so I didn't really focus on their requirements. I got a phone call from them le