|
Document Details
|
| Title |
ATIS-0300056(1996-07), INC Report on Number Portability |
| Name |
 (6MB) |
| 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 Monday, 01 July 1996 07:37am |
| Modified |
By Katie Bagwill on Monday, 22 April 2019 08:01am |
| Technical Contact |
None Selected |
| Public URL |
https://access.atis.org/apps/group_public/document.php?document_id=46523&wg_abbrev=inc |
