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: 219

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-219 A Charleston TN CHTGTNNSXEY  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472      
423-219 0 Charleston TN CHTGTNNSXJZ  073H TELNYX LLC 472   2021-01-17   
423-219 1 Charleston TN   073H TELNYX LLC 472   2022-09-05   
423-219 2 Charleston TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2021-07-11   
423-219 3 Charleston TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2021-07-11   
423-219 4 Charleston TN CHTGTNNSXTZ  506J TWILIO INTERNATIONAL INC 472   2021-08-08   
423-219 5 Charleston TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2021-12-09   
423-219 6 Charleston TN CHTGTNNSXEY  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472   2019-11-08   
423-219 7 Charleston TN CHTGTNNSXEY  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472   2019-11-08   
423-219 8 Charleston TN   939H COMMIO LLC 472   2022-11-21   
423-219 9 Charleston TN CHTGTNNSXJZ  073H TELNYX LLC 472   2021-12-02   

Last updated: Tue, 24 Jan 2023 03:01:57 UTC

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