Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 423 [Rate centres in NPA 423] [Dial plan for NPA 423]

NXX: 558

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-558 A Chattanooga TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472      
423-558 0 Chattanooga TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472      
423-558 1 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-558 2 Chattanooga TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472      
423-558 3 Chattanooga TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472      
423-558 4 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-558 5 Chattanooga TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472      
423-558 6 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-558 7 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-558 8 Chattanooga TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472      
423-558 9 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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