I have received XXXX calls from what I believe is a collection agency. They say they are looking for my niece. They claim my phone number is what she used for her primary contact number. When I call them on it and say they are lying they become rude and accuse me of lying. When I ask how they got the number they refuse to say. I have NO relation with my niece and there is no way she would have used my number. I have a small business and my number is my business number.