I DONT OWE YOU A CENT

I WAS REGISTERED WITH THE COLLEGE IN 2020. I PAID THEM EVERY CENT YET THEY KEEP SENDING ME TEXTS ABOUT OUTSTANDING BALANCE. THEIR FINANCE DEPARTMENT DOES NOT ANSWER THE PHONE AND THEIR MAIL BOX IS FULL, HOW THEN SHOULD WE RESOLVE SUCH MATTERS.REMOVE ME FROM YOUR DATA BASE I DONT OWE YOU.