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: 551

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-551 A Chattanooga TN CHTGTNNSX8Z  508J CENTURYLINK COMMUNICATIONS, LLC 472      
423-551 0 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2014-08-02   
423-551 1 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2014-08-02   
423-551 2 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2014-08-02   
423-551 3 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2014-07-23   
423-551 4 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2014-07-23   
423-551 5 Chattanooga TN CHTGTNNSXRZ  318J COMCAST IP PHONE, LLC 472   2014-05-02   
423-551 6 Chattanooga TN CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2014-08-18   
423-551 7 Chattanooga TN CHTGTNNSX8Z  508J CENTURYLINK COMMUNICATIONS, LLC 472   2014-04-22   
423-551 8 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2014-07-23   
423-551 9 Chattanooga TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2014-08-30   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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