Missed call, left no message. Probably political call.

I got a call from this number today at 1:45 PM.  My caller ID read Test Code, CO.  I did not answer and the caller did not leave a voice mail.  This is the second time this number has called me today.  These calls need to stop.

This number called my personal cell phone today at 6:14. I did not answer, but a voice mail was left on my machine. It was a pre-recorded political call message thanking me for being a registered voter in Colorado. The recording started out, "Please hold for a very important message from the Democratic Party", or something to that effect. My answering machine was then connected to a guy who was thanking me for being a Colorado registered voter. He soon realized he was talking talking to an answering machine when it was probably just dead air on his end. He kept saying, "Hello? Hello?" The caller did not call back.