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Numbering Resource Utilization/Forecast (NRUF) Report

Carriers are required to report on the status of its geographic (CO code and thousands-block resources) and non-geographic (5XX-NXX and 9YY-NXX resources) semi-annually on or before February 1 and August 1 of each year, using FCC Form 502, North American Numbering Plan Numbering Resource Utilization/Forecast (NRUF) Report.

Carriers may submit its FCC Form 502 using the:

  • Web-based User Interface - Upload NRUF Form 502 directly into the NANP Administration System (NAS).  
     
  • Secure File Transfer Protocol (SFTP) - Contact NANPA Customer Support at 866-623-2282 to request SFTP access.
     
  • Application Programming Interface (API) - Contact NANPA Customer Support at 866-623-2282 to request API access.

State regulatory commissions with appropriate confidentiality protections in place can access NRUF reports for their respective state containing disaggregated service provider-specific NRUF data for those carriers with geographic numbering resources in their state.

Below is the NRUF filing information and other related documentation.


Geographic Submissions

  • Geographic NRUF Form 502 — Excel™ form used for reporting utilization and forecast data for geographic numbering resources.
  • NRUF Geographic Job Aid — Provides information that supplements the instructions for completing and submitting the NRUF Form 502 for geographic resources. 


Non-Geographic Submissions

  • Non-Geographic NRUF Form 502 — Excel™ form used for reporting utilization and forecast data for non-geographic numbering resources.
  • NRUF Non-Geographic Job Aid — Provides information that supplements the instructions for completing and submitting the NRUF Form 502 for non-geographic resources.


Other NRUF Related Documentation

  • Rate Center Abbreviations — A list of rate center abbreviations by State and NPA to assist carriers with completing the forecast section of the FCC Form 502.
  • NRUF Common Errors & Fixes — Identifies common errors that users experience when submitting their NRUF Form 502 and the associated solutions.
  • NRUF Preparation Checklist — A list of monthly actions that may be used in the preparation and filing of an NRUF.
  • NRUF Training Videos — Videos that provide an overview of the NRUF Form 502 using the web-based user interface submission method.

NAS user guides and templates may be found under Resources