This is either a "normal" wrong number or I'm the first one reporting this number. Evidently from Colorado where I know no one. They called 10/20/16 at 1pm Eastern.

missed call on  my cell, no message on VM - blocked

from
Denver Colorado ??

Just called no Caller Identification, just the number and "Denve, CO", there was a delay on their end when I said "hello" so I muted the call. I could hear people in the background so it was a call center, of what nature? IDK. They hung up.

They called again on 10/28, 9:25 am. No message.