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: 973

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-973 A Sneedville TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474      
423-973 0 Sneedville TN KNVNTNECDS1  276F PEERLESS NETWORK OF TENNESSEE, LLC - TN 474   2016-03-25   
423-973 1 Sneedville TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2015-08-18   
423-973 2 Sneedville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2016-03-28   
423-973 3 Sneedville TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474   2011-08-19   
423-973 4 Sneedville TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474      
423-973 5 Sneedville TN KNVLTNMA84Z  516C AT&T CORP. 474   2011-11-02   
423-973 7 Sneedville TN KNVLTNMA85Z  508J CENTURYLINK COMMUNICATIONS LLC 474   2014-05-06   
423-973 8 Sneedville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2016-03-28   
423-973 9 Sneedville TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2016-09-17   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

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