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The Alliance for Telecommunications Industry Solutions, 10/27/2017
Publisher: ATIS
File Format: PDF
$123.00$246.05
Published:27/10/2017
Central Office Code (NXX) Assignment Guidelines (COCAG)
$132.00 $265.45
555 NXX Assignment Guidelines
$115.00 $231.97
P-ANI Administration Guidelines
$110.00 $221.57
Carrier Identification Code (CIC) Assignment Guidelines
$107.00 $214.71