Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 2757 CENTURYLINK COMMUNICATIONS LLC - TN

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
423-664 A Chattanooga TN CHTGTN78DS0  472      
423-664 0 Chattanooga TN CHTGTN78DS0  472      
423-664 1 Chattanooga TN CHTGTN78DS0  472      
423-664 4 Chattanooga TN CHTGTN78DS0  472      
423-664 5 Chattanooga TN CHTGTN78DS0  472      
423-664 9 Chattanooga TN CHTGTN78DS0  472      
423-693 A Chattanooga TN CHTGTN78DS0  472      
423-693 0 Chattanooga TN CHTGTN78DS0  472   2006-07-10   
423-709 9 Cleveland TN CHTGTN78DS0  472   2003-08-18   
423-834 A Chattanooga TN CHTGTN78DS0  472      
423-834 9 Chattanooga TN CHTGTN78DS0  472      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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