I also received a call from this number on 8/26 at 1:26 pm PST. The caller ID listed the number as "Millet D". I did not answer the phone so wasn't sure about the nature of the call.
Aug 27th, 2008
I dialed the number back. It said "The California call removal system. To remove any additional calls, please enter your telephone number". (231 is a Michigan area code). Of course I didn't enter my telephone number.