CCS Financial Services, Inc. Debt Collection Complaint

CCS Financial Services, Inc. Debt collection department,

I do not know Cont'd attempts collect debt not owed Debt is not mine Texas

Been getting calls from Credit Collection Services from phone no. - trying to collect from unpaid bills from - - -. I do not have subscription from - - - and the person on the phone are demanding, interrogating, and unpolitely harrassing me. He has my phone number and name and some PII. I am a federal employee whose background check information was compromised at OPM..