Document Details - ATIS-0300119(2021-07), Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines (TBCOCAG)


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Title ATIS-0300119(2021-07), Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines (TBCOCAG)
Name ATIS-0300119(2021-07), Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines (TBCOCAG) (6MB)
Description This document specifies guidelines for the administration and assignment of Central Office (CO) Codes (NPA-NXX) and Thousands-Blocks (NPA-NXX-Xs) to Local Number Portability (LNP)-capable Service Provider (SPs) within geographic numbering plan areas (NPAs).
Document State Publications (Published document)
Group / Folder INC - Industry Numbering Committee / Publications
Submitter By Anna Karditzas on Friday, 02 July 2021 07:45am
Technical Contact None Selected
Public URL https://access.atis.org/apps/group_public/document.php?document_id=60266&wg_abbrev=inc