Citibank Debt Collection Complaint

Citibank Debt collection department,

Non-federal student loan Disclosure verification of debt Not disclosed as an attempt to collect California

- - - - - - -, -, IL - keeps calling and harassing me about a debt she can not validate. But, the debt is not in default and I have not been contacted by my creditor regarding this company. They are trolling. When I asked them to identify themselves and the nature of their business, they refused. When I told them I do not do business over the phone, they threatened me. Then suffer the consequences! '' And, It 's too late for all that suffer the consequences! '' She sent me a correspondence - -, with no knowledge of any creditor and trying to sign me up for -. I have no debt in default ; I 'm - months late.