I just got the same call and I also worked for Exxon Mobil. Thank you for the update and reporting it is Legit.
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Recent comments:
1
May 11, 2016
who are you you are wasting my air time stop now
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2
Mar 13, 2017
Agreed, who are you? Stop wasting my air time!
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3
Jun 24, 2014
I received two calls from this number, this morning at my office number.
It was one ring (at most) each time, no time to answer ...
but I called the number back and it seemed to forward through about 3 hops
and then the system message said to me " Thank you for calling the Xerox corporation ... ". Hmm.
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4
Jul 16, 2014
Same thing here. When I called back a man answered and identified him self as "Hr puff n stuff".