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: 910

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-910 A Ooltewah TN CHTGTNNSXRZ  318J COMCAST IP PHONE, LLC 472      
423-910 0 Ooltewah TN CHTGTNNSXRZ  318J COMCAST IP PHONE, LLC 472      
423-910 1 Ooltewah TN CHTGTNNSXRZ  318J COMCAST IP PHONE, LLC 472      
423-910 2 Ooltewah TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472      
423-910 3 Ooltewah TN CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472      
423-910 4 Ooltewah TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472      
423-910 5 Ooltewah TN CHTGTNNSXRZ  318J COMCAST IP PHONE, LLC 472      
423-910 6 Ooltewah TN CHTGTNNSXEY  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472      
423-910 8 Ooltewah TN CHTGTNNSXGZ  204G TWIN LAKES COMMUNICATIONS, INC. - TN 472      
423-910 9 Ooltewah TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472      

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

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