This is a inbound call with no one on the other end. In the last 10 days we have received these calls from area codes 323, 213, 870, 206, 408, 888, 251, 928, 630, 323, 427, 702, 205, 623, 240, 425, 866. I have instructed our service provider to restrict all inbound calls to our immediate regional area and block all long distance inbound calls from the United States.