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The Alliance for Telecommunications Industry Solutions, 12/01/2010
Publisher: ATIS
File Format: PDF
$109.00$219.29
Published:01/12/2010
Pages:5
Reassigned Number Database (RND) Guidelines for Service Provider Reporting of Permanently Disconnected Number Data
$109.00 $218.76
Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines
$136.00 $273.54
North American Numbering Plan Numbering Resource Utilization/Forecast Reporting (NRUF) Guidelines
$146.00 $292.84
Guidelines for the Administration of Telephone Numbers
$131.00 $262.43