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The Alliance for Telecommunications Industry Solutions, 03/01/2007
Publisher: ATIS
File Format: PDF
$412.00$825.00
Published:01/03/2007
File Size:1 file , 1 MB
Carrier Indentification Code (CIC) Assignment Guidelines
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Location Routing Number (LRN) Assignment Practices
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NPA Allocation Plan and Assignment Guidelines
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9YY NXX Code Assignment Guidelines
$146.00 $293.99
