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The Alliance for Telecommunications Industry Solutions, 07/01/2021
Publisher: ATIS
File Format: PDF
$117.00$234.16
Published:01/07/2021
File Size:1 file , 900 KB
This document specifies guidelines and procedures that address the Service Provider Disconnected Numbers Report.
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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
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