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: 900

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-900 A Gadsden AL BRHMALHRFMD  145J TERRA NOVA TELECOM INC. 476      
256-900 0 Gadsden AL   145J TERRA NOVA TELECOM INC. 476   2019-04-22   
256-900 1 Gadsden AL   476H AIRUS, INC. - AL 476   2019-11-01   
256-900 2 Gadsden AL   5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476   2021-12-10   
256-900 3 Gadsden AL   604E ONVOY, LLC - AL 476   2022-03-14   
256-900 4 Gadsden AL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 476   2022-03-05   
256-900 5 Gadsden AL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 476   2022-03-05   
256-900 6 Gadsden AL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 476   2022-03-05   
256-900 7 Gadsden AL   604E ONVOY, LLC - AL 476   2022-03-14   
256-900 8 Gadsden AL   476H AIRUS, INC. - AL 476   2020-01-03   
256-900 9 Gadsden AL   965H FRACTEL, LLC 476   2020-01-08   

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

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