Document Details - ATIS-0300055_redline.zip


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Name ATIS-0300055_redline.zip (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 Contribution ((e.g., text to progress Issues))
Group / Folder INC - Industry Numbering Committee / Publications
Submitter By Anna Karditzas on Friday, 08 February 2019 09:30am
Technical Contact None Selected
Public URL http://access.atis.org/apps/group_public/document.php?document_id=45659&wg_abbrev=inc