ATIS - 0300055
NPA Allocation Plan and Assignment Guidelines
inactive
| Organization: | ATIS |
| Publication Date: | 1 November 2020 |
| Status: | inactive |
| Page Count: | 30 |
Document History
July 1, 2022
NPA Allocation Plan and Assignment Guidelines
PURPOSE AND SCOPE
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)...
0300055
November 1, 2020
NPA Allocation Plan and Assignment Guidelines
A description is not available for this item.
August 1, 2018
NPA Allocation Plan and Assignment Guidelines
PURPOSE AND SCOPE
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)...
March 1, 2015
NPA Allocation Plan and Assignment Guidelines
PURPOSE AND SCOPE
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)...
September 1, 2011
NPA Allocation Plan and Assignment Guidelines
PURPOSE AND SCOPE
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)...
November 1, 2010
NPA Allocation Plan and Assignment Guidelines
PURPOSE AND SCOPE
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)...
September 1, 2010
NPA Allocation Plan and Assignment Guidelines
PURPOSE AND SCOPE
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)...
July 1, 2010
NPA Allocation Plan and Assignment Guidelines
PURPOSE AND SCOPE
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)...
May 1, 2010
NPA Allocation Plan and Assignment Guidelines
PURPOSE AND SCOPE
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)...
March 1, 2010
NPA Allocation Plan and Assignment Guidelines
PURPOSE AND SCOPE
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)...
September 1, 2009
NPA Allocation Plan and Assignment Guidelines
PURPOSE AND SCOPE
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)...
November 1, 2007
NPA Allocation Plan and Assignment Guidelines
PURPOSE AND SCOPE
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)...