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: 407

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-407 A Spring City TN CHTGTNNSXGZ  204G TWIN LAKES COMMUNICATIONS, INC. - TN 472      
423-407 0 Spring City TN CHTGTNNSXJZ  073H TELNYX LLC 472      
423-407 1 Spring City TN CHTGTNNSXGZ  204G TWIN LAKES COMMUNICATIONS, INC. - TN 472      
423-407 2 Spring City TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472      
423-407 3 Spring City TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472      
423-407 5 Spring City TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472      
423-407 6 Spring City TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472      
423-407 7 Spring City TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472      
423-407 8 Spring City TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472      
423-407 9 Spring City TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472      

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

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