Man with really thick accent said I won a $100 voucher for free gas... Total telemarketing scam... Do not answer!

they call in the evening. no message

Someone on the other end asked for me through a very thick french accent, and when I said that I was the one speaking, they hung up.

calls come in at really odd times 3 or 4 in the morning. Nobody speaks from the other end and the number is not reachable when I try to call back.