This number called the office after hours last night. There was no message on the answering machine.

In the past, numbers with this caller ID have had robocalls about updating our Google/Google Plus profile. Here are other numbers that have called us in the past six months with the same caller ID:
248-621-9102 (http://800notes.com/Phone.aspx/1-248-621-9102),
404-793-6327 (http://800notes.com/Phone.aspx/1-404-793-6327),
513-760-5134 (http://800notes.com/Phone.aspx/1-513-760-5134), and
913-594-3825 (http://800notes.com/Phone.aspx/1-913-594-3825).

Called and left no message.

Called and left no voicemail -- typical of a scammer or telemarketer.