Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 515 [Rate centres in NPA 515] [Dial plan for NPA 515]

NXX: 717

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
515-717 A Dallas Center IA   221F ONVOY, LLC - IA 632      
515-717 0 Dallas Center IA DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632   2015-04-25   
515-717 1 Dallas Center IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2013-01-23   
515-717 3 Dallas Center IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2012-12-14   
515-717 4 Dallas Center IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2012-12-14   
515-717 5 Dallas Center IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2012-12-14   
515-717 6 Dallas Center IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2016-04-05   
515-717 7 Dallas Center IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2013-01-23   
515-717 8 Dallas Center IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2016-04-05   
515-717 9 Dallas Center IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-14   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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