312-705-0913 = Received a sales prospecting call by a rep stating he was from CDW (a technology firm) that went to voice mail.  I am familiar with a technology company that has a Chicago presence (i.e. the 312 area code).  The number he stated to call him back on was exactly what showed up on caller ID (i.e. 312-705-0913), which could indicate a direct line ...???

If this CDW is the Chicago area CDW I'm thinking of, their website is http://www.cdw.com/ .