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).
- You cannot add another "ATIS T1.TR.16-1992" to your cart. View cart
Original price was: $247.83.$123.00Current price is: $123.00.
Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines
The Alliance for Telecommunications Industry Solutions , 10/01/2024
Related products
-
ATIS 0100302.a.1992(S2016)
Original price was: $60.00.$30.00Current price is: $30.00. -
ATIS T1.TR.14-1992
Original price was: $60.00.$30.00Current price is: $30.00. -
ATIS T1.TR.21-1993
Original price was: $145.00.$72.00Current price is: $72.00. -
ATIS NRSC-100
Original price was: $55.00.$27.00Current price is: $27.00. -
ATIS T1.TR.19-1993
Original price was: $110.00.$55.00Current price is: $55.00.