Local Calling Guide

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NPA: 256 [Rate centres in NPA 256] [Dial plan for NPA 256]

NXX: 936

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-936 A Huntsville AL HNVIAL96DS2  476H AIRUS, INC. - AL 477      
256-936 0 Huntsville AL HNVIALUNXSY  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477   2022-01-21   
256-936 1 Huntsville AL HNVIAL96DS2  476H AIRUS, INC. - AL 477   2021-11-15   
256-936 2 Huntsville AL HNVIALUNX2Z  624H ONVOY SPECTRUM, LLC 477   2021-12-19   
256-936 3 Huntsville AL HNVIALUNX2Z  624H ONVOY SPECTRUM, LLC 477   2021-12-19   
256-936 4 Huntsville AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2021-12-31   
256-936 5 Huntsville AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2021-12-31   
256-936 6 Huntsville AL HNVIAL180MD  7469 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 477   2022-01-13   
256-936 7 Huntsville AL HNVIALUNX2Z  624H ONVOY SPECTRUM, LLC 477   2022-01-20   
256-936 8 Huntsville AL HNVIALUNX2Z  624H ONVOY SPECTRUM, LLC 477   2022-01-20   
256-936 9 Huntsville AL HNVIALUNXSY  7475 POWERTEL BIRMINGHAM LICENSES, INC. 477   2022-01-21   

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

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