Anonymous
Have been finding multiple strange messages left on voicemail from this number.
Based on the information here, I filed a complaint with the FTC.
https://www.ftccomplaintassistant.gov/FTC_Wizard.aspx?Lang=en
The FTC also advises that there is currently a rash of fake collection calls.
http://www.ftc.gov/bcp/edu/pubs/consumer/alerts/alt076.shtm
Hopefully the FTC will eventually take some action.