Incorrect contact details nor removed

I've been corresponding with this company to remove the incorrect contact details that they are using for my african bank accounts and furniture city account for a very long time and every time they say that the number was removed and yet still Ms T Krevatin ***)is receiving messages and phone calls. shes at a point of making a case of harassment. please fix this immediately. im tires of the incompetence of the staff at this company and the bad attitudes