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: 839

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-839 A Morristown TN MRTWTN280MD  704C CHARTER FIBERLINK-TENNESSEE, LLC - TN 474      
423-839 0 Morristown TN MRTWTN280MD  704C CHARTER FIBERLINK-TENNESSEE, LLC - TN 474   2005-07-23   
423-839 1 Morristown TN MRTWTN280MD  704C CHARTER FIBERLINK-TENNESSEE, LLC - TN 474   2006-04-07   
423-839 2 Morristown TN MRTWTN280MD  704C CHARTER FIBERLINK-TENNESSEE, LLC - TN 474   2007-05-21   
423-839 3 Morristown TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2007-07-15   
423-839 4 Morristown TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2009-03-12   
423-839 5 Morristown TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2008-12-13   
423-839 6 Morristown TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2009-08-02   
423-839 7 Morristown TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2009-09-06   
423-839 8 Morristown TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2009-11-08   
423-839 9 Morristown TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2012-12-02   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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