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
These
F*ers keep calling me too. It started last summer since I visited Seattle and Port Angeles, WA. I loved those places and the people, but this number calling me is getting old.
By the way, my service is AT&T. I don't think there is any phone company or receiving location correlation.