Who called from 9705685208

Second day I've received a call from number 970-568-5208. Yesterday Monday 2 Aug 2010 they called at 5;14 PM today Tuesday 3 Aug they called at 8:21 PM. Answering machine picked up but they left no message either time. Caller ID shows "Fort Collins CO"

Caller saying doing a survey for 9News HealthFair in Colorado.  Wanted to know if the last time I went was in 2009 - I said 2010 and he said they were looking for people who last went in 09.

Called and did not leave message.

Have received a call several times from this number but they hang up when I answer...

the call was regarding a political survey regarding local maryland politics.  it was quite extensive.