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Date: 2014-04-02 13:12:54Telephone numbering plan Computing Number pooling SQL Interexchange carrier Telephone exchange Telcordia LERG Routing Guide Area code 246 Telephone numbers Numbers North American Numbering Plan | Quentin Sager Consulting, Inc. [NALENND™ STANDARD EDITION] North American Local Exchange NPA NXX Database reference manualAdd to Reading ListSource URL: www.quentinsagerconsulting.comDownload Document from Source WebsiteFile Size: 342,43 KBShare Document on Facebook |