They call and hang up 3-4 times a day. I have reported them to BBB and to our do-not-call list police. I have also rigged my caller system to call them 15 times an hour for the next two weeks to tie up their line. Hope they remove me from their list.
Per CallFerret.com, the answer is this:
"Dearborn Data is a DBA Name for Mainstream Marketing Services Inc, 3220 Prairie Ave, Boulder, CO 80301. The phone number for their office is 303-415-9830. The President of the Company is Dick Weese, the Vice President is Karen Weese."
They called my home too and did the same thing: secretive as H#LL; would not leave a number; refused to ID themselves in any way except to say their first name. They abruptly hung up.
My recommendation: Call or write the BBB in Colorado and report them. Now. I know I will.
I've gotten several calls from "Dearborn Data". They left a message that started as a recording, then a lady picked up and asked for me. The can't even tell when an answering machine picks up. I've gotten several messages that simply say "Hello, is (name) there?" It's annoying.
Just so everyone knows, chances are the fact that when you pick up and no one is there is probably because their dialing system needs to connect you to an operator.