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: 449

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-449 A La Follette TN KNVLTNMAYAY  829J PAETEC ITEL, LLC 474   2024-12-05   
423-449 0 La Follette TN KNVLTNMAYAY  829J PAETEC ITEL, LLC 474      
423-449 1 La Follette TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2025-04-24   
423-449 2 La Follette TN KNVNTNEC8MD  490J DISH WIRELESS, LLC 474   2024-03-22   
423-449 3 La Follette TN   6278 UNITED STATES CELLULAR - TN 474   2025-01-23   
423-449 4 La Follette TN   6278 UNITED STATES CELLULAR - TN 474   2025-01-23   
423-449 5 La Follette TN   6278 UNITED STATES CELLULAR - TN 474   2025-01-23   
423-449 6 La Follette TN   6278 UNITED STATES CELLULAR - TN 474   2025-01-23   
423-449 7 La Follette TN KNVLTNMAYAY  829J PAETEC ITEL, LLC 474      
423-449 8 La Follette TN KNVLTNMAYHX  318J COMCAST IP PHONE, LLC 474   2013-10-14   
423-449 9 La Follette TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2008-11-28   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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