Recording. "Congratulations, you have been selected to win a luxury vacation yadda yadda." When I got the representative, I asked, "Name of your company, please?" *click* Painfully obvious scam; never give such people any financial information or a credit card number.

This number is "not in service." Caller ID spoofing is a plague, and an immediate red flag for a criminal scam, but these people are scumbags so they don't care.