Communications departments pull their talent from many different sources. Individuals can have degrees in Communications, English, Journalism, Speech, Theatre, and many more. According to the US Bureau and Census Office in 2010, only 27.3% of majors were working in their field of study. Meaning, your choice of a major does not necessarily lock you in to a career path.
Look at the options for the school you are attending. Their employment after college rate, activities you will enjoy, possibly major, and anything else you may find important. Than pick the major and aim towards learning skills that will make you employable in your dream job.