INC - Industry Numbering Committee

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NPA-Allocation-Plan-Assignment-Guidelines-Working-3-14-25-JAW.docx uploaded

  • 1.  NPA-Allocation-Plan-Assignment-Guidelines-Working-3-14-25-JAW.docx uploaded

    Posted 02-14-2025 03:49:00 PM
    Document Name: NPA-Allocation-Plan-Assignment-Guidelines-Working-3-14-25-JAW.docx
    Description
    This document specifies guidelines for the assignment of Numbering Plan
    Area (NPA) codes. NPA codes are the first three digits of the 10-digit
    North American Numbering Plan (NANP) format (the format is made up of 10
    digits in the form of NXX-NXX-XXXX). NPA codes have traditionally been used
    to identify distinct exclusive geographic areas, commonly referred to as
    area codes.
    Download Latest Revision
    Submitter: Kayla Goldfarb
    Technical Contact: Kayla Goldfarb
    Group: INC - Industry Numbering Committee
    Folder: Working Documents
    Date submitted: 2025-02-14 20:49:26


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