Local Calling Guide

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NPA: 423 [Rate centres in NPA 423] [Dial plan for NPA 423]

NXX: 254

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-254 A Morristown TN KNVLTN02DMD  4265 BUSINESS TELECOM, INC. DBA BTI - TN 474      
423-254 0 Morristown TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2008-11-28   
423-254 1 Morristown TN KNVLTN02DMD  5514 WINDSTREAM NORLIGHT, INC. - TN 474   2008-10-03   
423-254 2 Morristown TN KNVLTNMA84Z  516C AT&T CORP. 474   2009-07-27   
423-254 3 Morristown TN KNVLTN02DMD  8660 WINDSTREAM NUVOX, INC. 474   2003-08-04   
423-254 4 Morristown TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2010-03-12   
423-254 5 Morristown TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474   2008-05-20   
423-254 6 Morristown TN KNVLTNMA54Z  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 474   2009-06-19   
423-254 7 Morristown TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2012-05-04   
423-254 8 Morristown TN KNVLTN02DMD  4265 BUSINESS TELECOM, INC. DBA BTI - TN 474      
423-254 9 Morristown TN KNVLTN02DMD  4265 BUSINESS TELECOM, INC. DBA BTI - TN 474      

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

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