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The Alliance for Telecommunications Industry Solutions, 06/01/2011
Publisher: ATIS
File Format: PDF
$70.00$140.00
Published:01/06/2011
File Size:1 file
Central Office Code (NXX) Assignment Guidelines (COCAG)
$125.00 $250.46
Thousands-Block Number (NXX-X) Pooling Administration Guidelines
$111.00 $222.86
Vertical Service Code Assignment Guidelines
$109.00 $218.95
North American Numbering Plan Numbering Resource Utilization/Forecast Reporting (NRUF) Guidelines
$106.00 $212.56