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The Alliance for Telecommunications Industry Solutions, 11/01/2002
Publisher: ATIS
File Format: PDF
$148.00$297.40
Published:01/11/2002
CENTRAL OFFICE CODE (NXX) ASSIGNMENT GUIDELINES (COCAG)
$124.00 $248.79
800-855 Number Assignment Guidelines
$127.00 $255.54
Carrier Indentification Code (CIC) Assignment Guidelines
$109.00 $218.06
Location Routing Number (LRN) Assignment Practices
$126.00 $252.23