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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-377 A La Follette TN LFLTTNBCCM1  6278 UNITED STATES CELLULAR CORP. - TENNESSEE 474      
423-377 0 La Follette TN   124F BANDWIDTH.COM CLEC, LLC - TN 474   2016-08-22   
423-377 1 La Follette TN   408D COMCAST PHONE OF TENNESSEE, LLC - TN 474   2016-02-16   
423-377 2 La Follette TN   7575 CENTURYLINK COMMUNICATIONS LLC 474   2014-05-06   
423-377 3 La Follette TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2013-08-23   
423-377 4 La Follette TN   124F BANDWIDTH.COM CLEC, LLC - TN 474   2015-02-21   
423-377 5 La Follette TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2010-02-05   
423-377 6 La Follette TN   124F BANDWIDTH.COM CLEC, LLC - TN 474   2010-06-19   
423-377 7 La Follette TN   6278 UNITED STATES CELLULAR CORP. - TENNESSEE 474      
423-377 8 La Follette TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2011-12-04   
423-377 9 La Follette TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2012-11-26   

Last updated: Sat, 27 Jul 2019 10:59:49 UTC

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