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: 737

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-737 A Cullman AL CLMNALMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-737 0 Cullman AL CLMNALMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-737 1 Cullman AL CLMNALMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-737 2 Cullman AL CLMNALMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-737 3 Cullman AL CLMNALMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-737 4 Cullman AL HNVIAL969MD  073H TELNYX LLC 477   2018-12-27   
256-737 5 Cullman AL CLMNALMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-737 6 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2020-01-17   
256-737 7 Cullman AL CLMNALMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-737 8 Cullman AL CLMNALMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      
256-737 9 Cullman AL CLMNALMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 477      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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