This person is calling from a Cingular Wireless phone with and address of 13099 New York Ave, NW.  It is a business building.  Some of the companies include:
Abbott Laboratories‎
Colonial Parking Inc‎
Deutsche Bank
Dev Resources Inc‎
Genentech Inc‎
Harris Richard‎
International Council‎
Netrix IT Solutions‎
Southern California Gas Co‎
Sygenta America‎ -