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: 285

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-285 A Huntsville AL HNVIAL96DS2  476H AIRUS, INC. - AL 477      
256-285 0 Huntsville AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2017-11-06   
256-285 1 Huntsville AL HNVIAL96DS2  476H AIRUS, INC. - AL 477   2017-08-19   
256-285 2 Huntsville AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2017-09-22   
256-285 3 Huntsville AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2017-09-22   
256-285 4 Huntsville AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2017-09-22   
256-285 5 Huntsville AL   8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 477   2018-09-24   
256-285 6 Huntsville AL   8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 477   2018-09-24   
256-285 7 Huntsville AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2019-11-08   
256-285 8 Huntsville AL HNVIAL96DS2  476H AIRUS, INC. - AL 477   2018-10-05   
256-285 9 Huntsville AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2019-03-21   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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