Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: HNVIALUNX3X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
256-715 A Huntsville AL 363D COMCAST PHONE OF ALABAMA, LLC - AL 477   2007-04-14   

Last updated: Fri, 17 May 2019 00:49:52 UTC

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