This caller keeps calling for a Javier I have received numerous phone calls they tell me that they will remove this number but keep calling

I keep getting calls from 805-290-4875 but when I answer they hang up. I sure wish the would identify themseleves and take me off their list as this is VERY annoying! I was able to get someone to speak to me one time and they had identified themselves as a collector for Bank Of America, I told them I am not a customer and do not want to be contacted again, however I continue to receive these calls. PLEASE STOP!