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: 576

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-576 A Leighton AL HNVIALUNXIZ  4615 DELTACOM, INC. - AL 477      
256-576 0 Leighton AL HNVIALUNXIZ  4615 DELTACOM, INC. - AL 477      
256-576 1 Leighton AL HNVIALUNXIX  072F BANDWIDTH.COM CLEC, LLC - AL 477   2014-03-22   
256-576 2 Leighton AL HNVIALUNXIZ  4615 DELTACOM, INC. - AL 477      
256-576 3 Leighton AL HNVIALUNXIZ  4839 US LEC OF ALABAMA, INC. 477   2014-12-27   
256-576 4 Leighton AL HNVIALUNXIX  072F BANDWIDTH.COM CLEC, LLC - AL 477   2015-11-01   
256-576 5 Leighton AL HNVIAL967MD  516C AT&T CORP. 477   2013-09-22   
256-576 6 Leighton AL HNVIALUNXIZ  4615 DELTACOM, INC. - AL 477      
256-576 7 Leighton AL HNVIALUNXJY  508J CENTURYLINK COMMUNICATIONS, LLC 477   2014-07-16   
256-576 8 Leighton AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2016-03-11   
256-576 9 Leighton AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2016-03-11   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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