ROC Asset Solutions, LLC Debt Collection Complaint

ROC Asset Solutions, LLC Debt collection department,

I do not know Improper contact or sharing of info Contacted employer after asked not to Mississippi

I have been receiving calls from an unknown debt collector. They have not given me any information as to who they are, a physical address, and call me day and night, after I have repeatedly asked to only contact me through mail. Now they have called my work without my permission. I do n't even know how they got my work number, and jeopardizing my job by doing so.