1. NANC Report Numbering Oversight Working Group (NOWG) February 21, 2013 Tri-Chairs: Laura Dalton, Verizon Communications Natalie McNamer, T-Mobile USA Karen Riepenkroger, Sprint Nextel 02/21/20131

2. Contents NANPA and PA Performance Evaluation Process NANPA Change Orders PA Change Orders Annual Reports NOWG Participating Companies Meeting Schedule 202/21/2013

3. 3 2012 NANPA and PA Performance Evaluation Process Industry Surveys –Surveys deployed: January 1, 2013 –Responses due: February 15, 2013 –NANPA Surveys Completed: 36 Industry and Other Respondents 7 Regulator Respondents –PA Surveys Completed: 35 Industry and Other Respondents 16 Regulator Respondents –RNA Surveys Completed: 8 Industry and Other Respondents 1 Regulator Respondents 02/21/2013

4. 2012 NANPA and PA Performance Evaluation Process (Continued) Timeline of Activities March – May 2013: Analysis of Survey Results Operational Reviews with PA and NANPA Preparation of Draft Performance Report Sections Compilation and Review of Performance Report Drafts June 2013: NOWG Presentation of Preliminary Performance Reports to the FCC – June 3 rd NOWG Presentation of Performance Reports to NANC – June 20 th 02/21/20134

5. 5 Outstanding NANPA Change Orders Change Order Number Date FiledSummaryNOWG StatusFCC ActionScheduled Implementation Date 19/24/2012INC Issue 692: Update the 5YY Requirements for Resources and INC Issue 702: Update Service Description for Use of 5YY Resources NOWG Recommendation to Approve sent to FCC on 10/15/2012 Approved 12/5/2012 Estimated Implementation 3rd Quarter 2013 02/21/2013

6. Outstanding PA Change Orders Change Order Number Date FiledSummaryNOWG StatusFCC ActionScheduled Implementation Date 24 11/6/2012Enhancement of the FTP Interface with the Pooling Administration System NOWG Recommendation to Approve sent to FCC on 11/16/2012 12/5/12TBD 236/1/2012 INC Issue #715 - Update TBPAG for Retrieving a Block Donated/Returned in Error NOWG Recommendation to Approve sent to FCC on 6/12/2012 FCC Approved on 8/14/2012 4/16/13 (Tentative) 602/21/2013

7. Annual Reports 702/21/2013 The NANPA provided their respective 2012 Annual Report to the NOWG for review in February, prior to publication. The PA 2012 Annual Report will be provided to the NOWG for review in March, prior to publication. Comments, questions, and suggestions will be provided to the NANPA or PA as needed.

8. 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 802/21/2013

9. NOWG Upcoming Meeting Schedule – 2013 MonthActivity Feb 26PA 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 * Mar 13-14PA Operation Review, Concord, CA Mar 26PA 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 * Apr 16-17NANPA Operation Review, Sterling, VA. Apr 30PA 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 902/21/2013

10. NOWG Meetings Contact any of the Tri-Chairs for complete meeting or conference call details: –Laura.R.Dalton@Verizon.com –Natalie.McNamer@T-Mobile.com –Karen.S.Riepenkroger@Sprint.com 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 www.nanc-chair.org 02/21/201310