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: 678

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-678 A Huntsville AL HNVIAL180MD  7469 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 477      
256-678 0 Huntsville AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2019-03-21   
256-678 1 Huntsville AL HNVIAL180MD  7469 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 477   2018-04-23   
256-678 2 Huntsville AL HNVIAL180MD  7469 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 477   2018-04-23   
256-678 3 Huntsville AL HNVIAL180MD  7469 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 477   2018-04-23   
256-678 4 Huntsville AL HNVIAL180MD  7469 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 477   2018-04-23   
256-678 5 Huntsville AL HNVIAL180MD  7469 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 477   2018-04-23   
256-678 6 Huntsville AL HNVIAL180MD  7469 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 477   2018-04-23   
256-678 7 Huntsville AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477   2018-06-08   
256-678 8 Huntsville AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2019-03-21   
256-678 9 Huntsville AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2019-03-21   

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

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