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: 536

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-536 A Sweetwater TN KNVLTN02DMD  8356 US LEC OF TENNESSEE, INC. 474      
423-536 0 Sweetwater TN KNVLTN02DMD  8356 US LEC OF TENNESSEE, INC. 474      
423-536 1 Sweetwater TN KNVLTN02DMD  8356 US LEC OF TENNESSEE, INC. 474      
423-536 2 Sweetwater TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2024-03-29   
423-536 3 Sweetwater TN KNVLTN02DMD  8356 US LEC OF TENNESSEE, INC. 474      
423-536 4 Sweetwater TN KNVLTN02DMD  8356 US LEC OF TENNESSEE, INC. 474      
423-536 5 Sweetwater TN KNVLTN02DMD  8356 US LEC OF TENNESSEE, INC. 474      
423-536 6 Sweetwater TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474   2004-11-15   
423-536 7 Sweetwater TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2006-06-16   
423-536 8 Sweetwater TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2006-11-16   
423-536 9 Sweetwater TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2008-11-28   

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

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