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The Alliance for Telecommunications Industry Solutions, 09/01/2015
Publisher: ATIS
File Format: PDF
$125.00$251.37
Published:01/09/2015
NPA Code Relief Planning and Notification Guidelines
$136.00 $273.98
Personal Communications Services (PCS) 5YY NXX Code Assignment guidelines
$116.00 $233.76
9YY NXX Code Assignment Guidelines
$125.00 $251.84
NPA Allocation Plan and Assignment Guidelines
$139.00 $278.49