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Document Details
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| Title |
ATIS-0300119(2023-03), Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines (TBCOCAG) |
| Name |
 (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, 17 March 2023 08:41am |
| Technical Contact |
None Selected |
| Public URL |
https://access.atis.org/apps/group_public/document.php?document_id=70563&wg_abbrev=inc |
