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: 391

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-391 A Sylacauga AL BRHMAL16X8X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476      
256-391 0 Sylacauga AL BRHMALMT92Z  5562 METROPCS, INC. 476   2016-05-02   
256-391 1 Sylacauga AL   145J TERRA NOVA TELECOM INC. 476   2025-02-14   
256-391 2 Sylacauga AL BRHMAL16CM2  6744 SOUTHERN COMMUNICATIONS SERVICES, INC. 476   2004-08-08   
256-391 3 Sylacauga AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2026-05-09   
256-391 4 Sylacauga AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2017-06-01   
256-391 5 Sylacauga AL BRHMALXSGT2  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 476   2007-09-15   
256-391 6 Sylacauga AL BRHMALXSGT2  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 476   2007-09-15   
256-391 7 Sylacauga AL BRHMALXSGT2  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 476   2006-01-27   
256-391 8 Sylacauga AL   604E ONVOY, LLC - AL 476   2026-10-08   
256-391 9 Sylacauga AL   604E ONVOY, LLC - AL 476   2026-10-08   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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