NANC Recommendations

2025

2024

Dec. 13, 2024 – Report

• The Internet of Things Numbering (IoT) Usage Working Group Report on Perspectives on the Feasibility and Advisability of Transitioning IoT Device Usage of North American Numbering Plan Numbers to Alternative Addressing and Viability of Potential Options PDF
• Numbering Administration Oversight Working Group (NAOWG) Direct Access Report PDF
• The Call Authentication Trust Anchor (CATA) Working Group Report on Direct Access to Numbers by Interconnected Voice over Internet Protocol (VoIP) Providers PDF
• The CATA Working Group Report on the Regulatory Treatment of International Cellular Roaming Traffic PDF

Jun. 25, 2024 – Report

• Numbering Administration Oversight Working Group (NAOWG) Annual Performance Assessment of the North American Numbering Plan Administrator PDF
• NAOWG Annual Performance Assessment of the Billing and Collection Agent PDF
• NAOWG Annual Performance Assessment of the Reassigned Numbers Database Administrator PDF
• NAOWG Report and Recommendations for the North American Numbering Plan Fund Size Projections and Contributions Factor PDF
• Toll Free: Future Utilization of Numbers (T-FUN) Working Group Report and Recommendation Regarding Valuation of Unassigned 800-Prefix Toll Free Numbers and Potential Methods for Number Assignment PDF

Mar. 1, 2024 – Report

• NANC Report and Recommendation:  Potential Assignment Methods for the Remaining 8YY Numbers that Remain Unassigned from the 2019 Auction PDF

2023

June 28, 2023 – Report

June 2023 NANC 2023 -2024 Budget and Contribution Factor

June 2023 NANC NAOWG Performance Reviews

Feb 28, 2023 – Report

2023 NANC Report and Recommendation

• Attachment: NANC Report and Recommendation on the Feasibility of Individual Telephone Number (ITN) Pooling Trials and Alternative Means for Conserving Numbering Resources PDF

2022

June 14, 2022 – Report

2021 NANP Billing and Collection Agent Review 

• Attachment: “Welch LLP Performance Review” Pptx

Billing and Collection Agent Requirements and Statement of Work

• Attachment: “Statement of Work – Final” Pdf
• Attachment: “Statement of Work – Final Redline” Pdf
• Attachment: “Billing and Collection Agent Requirements” Pptx

NANP Budget and Contribution Factor

• Attachment: “NANP Budget Contribution Factor Pptx
• Attachment: “NANC Report 2022-23 Budget and Contribution Factor” Pdf

Call Authentication Trust Anchor Report

• Attachment: “Adoption of Caller ID Authentication for Combating Robocalls Outside US. ” Pdf

February 9, 2022 – Report

NANC Call Authentication Trust Anchor Report

• Attachment: “Best Practices for Terminating Voice Service Providers using Caller ID Authentication Information” Pdf

2021

October 13, 2021 – Report

NANC Call Authentication Trust Anchor Report

• Attachment: Deployment of STIR/SHAKEN by Small Voice Service Providers Pdf

June 23, 2021 – Letter

2020 NANP Billing and Collection Agent Evaluation

June 23, 2021 – Letter

2020-2021 NANP Fund Budget and Contribution Factor Recommendation

2020

September 24, 2020 – Letter

NANC Call Authentication Trust Anchor Report

• Attachment: Best Practices for the Implementation of Call Authentication Frameworks Pdf

July 29, 2020 – Letter

NANC Nationwide Number Portability Report

• Attachment: NANC Nationwide Number Portability Working Group Report on Nationwide Number Portability Pdf
• Attachment: Telnyx NNP Minority Report Pdf

July 29, 2020 – Letter

NANC Interoperable Video Calling Report

• Attachment: NANC Interoperable Video Calling Working Group Report on Interoperable Video Calling Pdf

July 15, 2020 – Letter

NANC 833 Auction Report

• Attachment: Perspectives on the December 2019 Auction of Numbers in the 833 Numbering Plan Area Pdf

July 15, 2020 – Letter

2019 NANP Billing and Collection Agent Evaluation

• Attachment: NANC Numbering Administration Oversight Working Group (NAOWG) Pdf

February 13, 2020 – Letter

Reassigned Numbers Database Funding Recommendations

• Attachment: Reassigned Numbers Database Funding Recommendations Pdf

January 13, 2020 – Letter

Reassigned Numbers Database Technical Requirements Document

• Attachment: Reassigned Numbers Database Technical Requirements Document Pdf

2019

September 12, 2019 - Report

May 15, 2019 – Letter

Additional Findings Report on Nationwide Number Portability

• Attachment: Additional Findings Report on NNP Pdf
• Attachment: Pre NNP Combined Flows Pdf

May 15, 2019 – Letter

Report and Recommendation on the Feasibility of Establishing a 3-Digit Dialing Code for a National Suicide Prevention and Mental Health Crisis Hotline System

• Attachment: Final NSHIA Report Pdf

2018

November 5, 2018 – Letter

Final Combined Technical Requirements Document

• Attachment: Combined NANPA/PA Technical Requirements Document Pdf

June 7, 2018 – Letter

Recommended Rule and Policy Changes: Toll Free Number Assignment Modernization

• Attachment: Report on Recommended Rule and Policy Changes: Toll Free Number Assignment Modernization Pdf

June 7, 2018 – Letter

Findings Related to ATIS Models on Nationwide Number Portability

• Attachment: Report on Findings Related to ATIS Models on Nationwide Number Portability  Pdf

May 3, 2018 – Letter

Call Authentication Trust Anchor: Selection of Governance Authority and Timely Deployment of SHAKEN/STIR

• Attachment: Report on Selection of Governance Authority and Timely Deployment of SHAKN/STIRPdf

April 9, 2018- Report

Progress Report of the North American Numbering Council (NANC) on Issue-Specific Work Groups

2017

June 29, 2017- Report

July 6, 2017 – Letter

June 29, 2017- Report
Progress Report of the North American Numbering Council (NANC) on Issue-Specific Work Groups

• Attachment 1: 2016 NANPA Performance Evaluation ReportPdf
• Attachment 2: 2016 PA Performance Evaluation ReportPdf

June 29, 2017- Report

April 25, 2017- Letter

2016

August 17, 2016 - Letter

• Attachments: ATIS Technical Report on National Number Portability Study Pdf

July 11, 2016 - Letter

July 11, 2016 - Letter

• Attachment 1: 2015 NANPA Performance Evaluation ReportPdf
• Attachment 2: 2015 PA Performance Evaluation ReportPdf