It is a newspaper subscription service. I subscribe to the local paper (not the SF Chronicle) and have allowed my subscription to lapse. They wanted to know if I would renew over the phone. Not a scam.
called this afternoon @ 1:30; picked up & they hung up. I called back and it goes to a recording telling you to enter your number if you want to be removed.... make sure that after entering # you press 1- sneaky sons of guns.