Business County Calls for Verizon 911 Probe By Potomac Local News Published July 5, 2012 at 9:50AM | Updated July 8, 2012 at 6:49PM This article is FREE to read. Please Sign In or Create a FREE Account. Thank you. Author Potomac Local News View all posts #Dale City #Dumfries #Fort Belvoir #Lake Ridge #Lorton #Occoquan #Woodbridge