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The Alliance for Telecommunications Industry Solutions, 03/01/2010
Publisher: ATIS
File Format: PDF
$109.00$219.25
Published:01/03/2010
Pages:14
NPA Code Relief Planning and Notification Guidelines
$118.00 $237.08
North American Numbering Plan Numbering Resource Utilization/Forecast Reporting (NRUF) Guidelines
$118.00 $236.42
P-ANI Administration Guidelines
$17.00 $35.00
9YY NXX Code Assignment Guidelines