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: 646

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-646 A Gadsden AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2024-02-19   
256-646 0 Gadsden AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2024-06-07   
256-646 1 Gadsden AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2024-07-15   
256-646 2 Gadsden AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2017-05-29   
256-646 3 Gadsden AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2017-05-29   
256-646 4 Gadsden AL   476F CORETEL ALABAMA, INC. - AL 476   2019-04-22   
256-646 5 Gadsden AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2021-06-20   
256-646 6 Gadsden AL BRHMALHWXNX  318J COMCAST IP PHONE, LLC 476   2016-04-26   
256-646 7 Gadsden AL   476F CORETEL ALABAMA, INC. - AL 476   2019-04-22   
256-646 8 Gadsden AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2018-11-30   
256-646 9 Gadsden AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2024-07-15   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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