Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 256 [Rate centres in NPA 256] [Dial plan for NPA 256]

NXX: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-587 A Skyline AL SKLNALXARS0  9788 BRIGHTSPEED OF ALABAMA, LLC - SOUTHERN 477      
256-587 0 Skyline AL SKLNALXARS0  9788 BRIGHTSPEED OF ALABAMA, LLC - SOUTHERN 477      
256-587 1 Skyline AL HNVIALUNXZY  073H TELNYX LLC 477   2020-05-03   
256-587 2 Skyline AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2019-10-12   
256-587 3 Skyline AL SKLNALXARS0  9788 BRIGHTSPEED OF ALABAMA, LLC - SOUTHERN 477      
256-587 4 Skyline AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2020-06-21   
256-587 5 Skyline AL HNVIALUNXIX  072F BANDWIDTH.COM CLEC, LLC - AL 477   2013-10-05   
256-587 6 Skyline AL SKLNALXARS0  9788 BRIGHTSPEED OF ALABAMA, LLC - SOUTHERN 477      
256-587 7 Skyline AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2018-09-23   
256-587 8 Skyline AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2020-06-21   
256-587 9 Skyline AL SKLNALXARS0  9788 BRIGHTSPEED OF ALABAMA, LLC - SOUTHERN 477      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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