National Collection Systems, Inc. Debt Collection Complaint

National Collection Systems, Inc. Debt collection department,

Other (i.e. phone, health club, etc.) Communication tactics Threatened to take legal action Missouri

I attended classes at - during the fall of 2014. I had asked to be dropped from my online classes due to issues with the courses. I am now being contacted by National Credit Management with threatening calls for a - debt they say I owe. I have asked for verification of the debt 3 times to mailed to me and have not received it. They have left threatening messages and hang up on me when they call. They are threatening my credit.