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Date: 2008-05-20 19:23:12Numbers Alliance for Telecommunications Industry Solutions Electronic engineering North American Numbering Plan Telcordia Technologies Local number portability Telephone exchange CLLI code Network element Telephone numbers Technology Telcordia LERG Routing Guide | Microsoft Word - atis0300037.docAdd to Reading ListSource URL: www.azcc.govDownload Document from Source WebsiteFile Size: 278,36 KBShare Document on Facebook |