received calls every 2 weeks from 609 area code, 457 exchange, but a different number each time. no message. In the past month the calls were from 609-457-3512, 609-457-3400, 609-457-3937, 609-457-3057, 609-457-7260 and 609-457-457-3198 all on our cell phones, not on our home phone.