Spam.
Received call from 276-685-7531 on 4 Jan 2017. Call was blocked but left this voicemail at 1:54pm ET:
"We're still carrying a balance of $10,000 or more. You are qualified to receive up to 55% reduction on your current account and you can pay back the remaining balance for the 0% interest rate. For more information, press nine now. Press to speak with a representative."