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: 448

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-448 A Francisco AL HNLDTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
256-448 0 Francisco AL   624H ONVOY SPECTRUM, LLC 470   2023-06-11   
256-448 1 Francisco AL   604E ONVOY, LLC - AL 470   2023-07-21   
256-448 2 Francisco AL   604E ONVOY, LLC - AL 470   2017-05-11   
256-448 3 Francisco AL   604E ONVOY, LLC - AL 470   2016-12-18   
256-448 4 Francisco AL   604E ONVOY, LLC - AL 470   2016-12-18   
256-448 5 Francisco AL   516C AT&T CORP. 470   2011-06-01   
256-448 6 Francisco AL   516J TON80 COMMUNICATIONS, LLC 470   2022-03-22   
256-448 7 Francisco AL   9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 470      
256-448 8 Francisco AL   604E ONVOY, LLC - AL 470   2017-05-11   
256-448 9 Francisco AL   478J NUSO, LLC 470   2020-09-28   

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

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