Credit Protection Association, L.P. Debt Collection Complaint

Credit Protection Association, L.P. Debt collection department,

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

I have a new phone and also registered my number w/Do Not Call.gov. I get an inordinate amount of calls from the following phone numbers ( all from the same company ) asking for ( probably ) the former owner of my new phone number. I called this company - times and spoke to different employees, explaining above & asking them not to call again. Apparently their employees are - or incapable of removing my number. I even added my last name to my voicemail message, to no avail. ( They keep asking for a -.I am not wasting any more time calling these -. They most often leave hangups. ONLY other calls are automated. If you can help me I would appreciate it. thank you