Got a call from this number. No message left, and no one talk. It not appear on any directory, neither searching reverse lookup. I called back from another phone and resulted on a COLLECTION DEPARTMENT FOR SANTANDER BANK IN PUERTO RICO.
Apparently it's the Santander's collection dept. If you have a loan or a payment, they're probably calling you to remind you to pay. I guess the machine's broken, because no one answers when I pick up.