Robocall -- But they actually do have a number which they will answer and try to get your credit card info ...Scam them back tie up their time until the FBI gets 'em.
(877) 398-2594
Got first call at work from 360-460-1844, rejected call. Right after I rejected the call same number called again. I then rejected one more time and the same thing happened another call right after. Let the call ring all the way through and it has not called back since.