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Date: 2009-08-21 14:58:01Identification Telephone numbering plan Communication Writing Area code 721 Area code 456 Telephone numbers North American Numbering Plan Numbering Resource Utilization/Forecast Report | Third Quarter[removed]Provided by the North American Numbering Plan Administration Keeping code assignment data currentAdd to Reading ListSource URL: www.nationalnanpa.comDownload Document from Source WebsiteFile Size: 286,05 KBShare Document on Facebook |