Document Details - ATIS-0300055(2019-02), NPA Allocation Plan And Assignment Guidelines


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Title ATIS-0300055(2019-02), NPA Allocation Plan And Assignment Guidelines
Name ATIS-0300055(2019-02), NPA Allocation Plan And Assignment Guidelines (397K)
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.
Document State Publications (Published document)
Group / Folder INC - Industry Numbering Committee / Publications
Submitter By Anna Karditzas on Friday, 01 February 2019 07:35am
Modified By Katie Bagwill on Monday, 22 April 2019 08:00am
Technical Contact None Selected
Public URL http://access.atis.org/apps/group_public/document.php?document_id=46522&wg_abbrev=inc