NANC Report Numbering Oversight Working Group (NOWG) June 20, 2013 Co-Chairs: Laura Dalton, Verizon Communications Karen Riepenkroger, Sprint Nextel.
NANC Report Numbering Oversight Working Group (NOWG) October 10, 2007 Co-Chairs: Paula Hustead, Windstream Natalie McNamer, T-Mobile USA Karen Riepenkroger,
NANC Report Numbering Oversight Working Group (NOWG) June 4, 2015 Co-Chairs: Laura Dalton, Verizon Communications Karen Riepenkroger, Sprint 06/04/2015.
