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: 589

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-589 A Georgetown TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-589 0 Georgetown TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2019-06-23   
423-589 1 Georgetown TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2019-06-23   
423-589 2 Georgetown TN   073H TELNYX LLC 472   2021-01-23   
423-589 3 Georgetown TN   566J RADIANTIQ LLC 472   2021-06-13   
423-589 4 Georgetown TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2020-02-24   
423-589 5 Georgetown TN   525E ONVOY, LLC - TN 472   2021-03-15   
423-589 7 Georgetown TN   506J TWILIO INTERNATIONAL INC 472   2021-08-08   
423-589 8 Georgetown TN CHTGTNNSXGZ  204G TWIN LAKES COMMUNICATIONS, INC. - TN 472   2020-11-23   
423-589 9 Georgetown TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2019-06-03   

Last updated: Wed, 12 Jan 2022 16:20:07 UTC

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