the robo call did not specify, but it sounded just like ASYNC, who robo scam spam like there's no tomorrow, with only one goal: by pretending to offer extended warranties to products you never purchased, even if you say no, they'll get your private ID for their crimes. this time, the call said it was from San Bernadino, which would be consistent with the area code. but you call back, it's not a working number. other times, they pretend to be calling from your area code, but you do a search, and the calls came even from over seas, e.g., Brazil, etc. They are SERIOUS criminals. When they call you, please file a complaint with the FCC and notify the FBI.