NANC Report Numbering Oversight Working Group (NOWG) March 29, 2012 Tri-Chairs: Laura Dalton, Verizon Communications Natalie McNamer, T-Mobile USA Gwen Zahn, Verizon Wireless

Contents NANPA and PA Performance Evaluation Process NANPA Change Orders PA Change Orders Annual Reports and PA TRD NANC-NOWG Action Item on USF/ICC NANPA and PA Contract Consolidation NOWG Participating Companies Meeting Schedule 203/29/2012

NANPA and PA Performance Evaluation Process Industry Surveys –Surveys deployed: January 3, 2012 –Responses due: February 15, 2012 –NANPA Surveys Completed:  37 Industry and Other Respondents  25 Regulator Respondents –PA Surveys Completed:  40 Industry and Other Respondents  30 Regulator Respondents 03/29/2012

2011 NANPA and PA Performance Evaluation Process (Continued) Timeline of Activities March – April 2012:  Analysis of Survey Results  Operational Reviews with PA and NANPA  Preparation of Draft Performance Report Sections  Compilation and Review of Performance Report Drafts May – June 2012:  NOWG Presentation of Preliminary Performance Reports to the FCC – May 15 th  NOWG Presentation of Performance Reports to NANC – June 7 th 03/29/2012 4

5 Outstanding NANPA Change Orders Change Order Number Date FiledSummaryNOWG StatusFCC ActionScheduled Implementation Date 228/05/2011INC Issue 698: Auto-Populate Total Numbering Resources on TBPAG MTE Form NOWG Recommendation to APPROVE to FCC on 09/07/11 FCC Approved on 12/14/2011 TBD 21Initially filed on 8/5/2011. Re-filed on 11/11/2011 INC Issue 710: NANC Action Item “Multi-OCN” Issue NOWG Recommendation to APPROVE to FCC 11/30/2011 FCC Approved on 12/14/2011 TBD 03/29/2012

Outstanding PA Change Orders Change Order Number Date FiledSummaryNOWG StatusFCC ActionScheduled Implementation Date 22 8/5/2011INC Issue #698– Auto-Populate Total Numbering Resources on TBPAG MTE Form NOWG Recommendation to Approve to FCC on 09/07/11 FCC Approved on 12/14/2011 TBD 21Initially filed on 8/5/2011. Re-filed on 11/11/2011 INC Issue #710– NANC Action Item “Multi-OCN” Issue NOWG Recommendation to Approve to FCC 11/30/2011 FCC Approved on 12/14/2011 TBD 202/18/2011Proposed Enhancements to PAS NOWG Recommendation to Approve to FCC on 03/04/11 FCC Approved on 6/17/2011 Tentatively scheduled for 6/1/ /27/2011Permanent Routing Number Administrator (p-ANI) NOWG Recommendation to Approve to FCC on 02/25/11 FCC Approved on 6/17/ /19/12 603/29/2012

Annual Reports and PA TRD 703/29/2012 The NANPA and PA provided their respective 2011 Annual Reports to the NOWG for review prior to publication.  Comments, questions, and suggestions were provided to the NANPA or PA as needed. The PA TRD was provided to the NOWG for review and update.  NOWG revisions were incorporated into the TRD and submitted to the FCC.

NANC-NOWG Action Item on USF/ICC On December 15, 2011 the NOWG was directed to work with the NANPA to respond to State Commission Staff’s request to review potential impacts of USF/ICC Reform Order on numbering resources. NANPA provided the NOWG with the NANP Exhaust Analysis to explain the basis and assumptions upon which the anticipated exhaust date of the NANP is calculated. The NOWG held numerous conference calls and provided a response, which included the NANPA’s deliverable, to the NANC on January 27, /29/2012

NANPA and PA Administrator Contract Consolidation The NOWG has started a project to evaluate the benefits and risks of consolidating the NANPA and PA administrator contracts into one contract. The NOWG plans to review the results of this evaluation at the June, 2012 NANC meeting. 903/29/2012

NOWG Participating Companies AT&T CenturyLink Cox Communications EarthLink Business Pennsylvania Public Utilities Commission Sprint Nextel T-Mobile USA Verizon Communications / Verizon Wireless Windstream Communications XO Communications 1003/29/2012

NOWG Upcoming Meeting Schedule – 2012 MonthActivity Apr 24PA Standing Agenda Call with NOWG - Conference Call 1 pm Eastern, 1 hr NANPA Standing Agenda Call with NOWG - Conference Call 2 pm Eastern, 1 hr * May 17PA Standing Agenda Call with NOWG - Conference Call 1 pm Eastern, 1 hr NANPA Standing Agenda Call with NOWG - Conference Call 2 pm Eastern, 1 hr * Jun 14PA Standing Agenda Call with NOWG - Conference Call 1 pm Eastern, 1 hr NANPA Standing Agenda Call with NOWG - Conference Call 2 pm Eastern, 1 hr * Jul 17PA Standing Agenda Call with NOWG - Conference Call 1 pm Eastern, 1 hr NANPA Standing Agenda Call with NOWG - Conference Call 2 pm Eastern, 1 hr * Aug 21PA Standing Agenda Call with NOWG - Conference Call 1 pm Eastern, 1 hr NANPA Standing Agenda Call with NOWG - Conference Call 2 pm Eastern, 1 hr * Sep 18PA Standing Agenda Call with NOWG - Conference Call 1 pm Eastern, 1 hr NANPA Standing Agenda Call with NOWG - Conference Call 2 pm Eastern, 1 hr * *NOWG-Only Monthly Call following Calls with the Administrators 1103/29/2012

NOWG Meetings Contact any of the Tri-Chairs for complete meeting or conference call details: Other meetings for the NOWG may be scheduled as needed beyond what has been identified in this list. NOWG meeting notes and documents are posted at 03/29/201212