No ID, unknown number, no message. I don't answer the phone if I don't know who's calling, so they're not wasting my time. Likely a spoofed number, likely a SCAMMER. Thanks to all who comment here - good info. Will block this one also.
Answered call from this number. Guy with accent said he was with senior benefits. I told him that I am not a senior and he was not to call me as I was on the do not call list. He then said F**K you which I replied back with the same greeting and hung up.