Called me too but since I do not answer unknowns, I declined it. I then looked this one up on this website (always check unknown numbers here) and promptly added it to my Call Reject list. Thanks for everyone's input on these--very helpful!!
1 ring and hung up. Left no message. I am on the do not call list. I think if you call them back it gets them around the DNC list. Going to block number so I don't keep getting calls from them.