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: 407

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-407 A Centre AL CNTRALXE4MD  947D FARMERS TELECOMMUNICATIONS CORPORATION - AL 476      
256-407 0 Centre AL   6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 476   2023-01-12   
256-407 1 Centre AL   947D FARMERS TELECOMMUNICATIONS CORPORATION - AL 476   2015-07-16   
256-407 2 Centre AL   604E ONVOY, LLC - AL 476   2021-06-20   
256-407 3 Centre AL   604E ONVOY, LLC - AL 476   2023-10-13   
256-407 4 Centre AL   604E ONVOY, LLC - AL 476   2023-10-13   
256-407 6 Centre AL   8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 476   2019-07-12   
256-407 8 Centre AL   490J DISH WIRELESS, LLC 476   2023-01-15   
256-407 9 Centre AL   624H ONVOY SPECTRUM, LLC 476   2024-12-12   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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