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The Alliance for Telecommunications Industry Solutions, 08/01/2017
Publisher: ATIS
File Format: PDF
$97.00$195.00
Published:01/08/2017
File Size:1 file , 2.7 MB
800-855 Number Assignment Guidelines
$144.00 $289.97
Vertical Service Code Assignment Guidelines
$17.00 $35.00
NPA Code Relief Planning and Notification Guidelines
$116.00 $232.38
Carrier Identification Code (CIC) Assignment Guidelines
