Who called from 6123435576

someone using this phone number keeps calling us. There is no one on the line, no response

I've received phone calls on both my personal & work phone lines today. I said hello twice and no response. I have put a *57 to have this call traced.

That number called my mother's house in Shoreview this afternoon, no response.

Call at 8:47 PM on 12-26-07,

No response when I answered

THIS NUMBER HAS BEEN COMING UP OFTEN, NO RESPONSE FROM CALLER AND NO ANSWER WHEN RETURNED.