They claim I have unpaid bill yet I have never dealt with the company in my life. When answering it tells gives that same message as to voicemail and hangs up. The message tells you to call them back at the same number to take care of the setting up payment options.
File complaints with Federal agencies such as: FCC, FTC, CFPB, IRS, DOJ, FBI and your State Attorney General's office. You have likely not consented to allow your privacy to be violated and/or for anyone to access your confidential information including your phone number. If they are trying to collect a debt, They must comply with The Fair Debt Collection Practices Act and numerous other laws designed to protect consumers.