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: 799

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-799 A Spring City TN CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472      
423-799 0 Spring City TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2008-11-28   
423-799 1 Spring City TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2012-10-20   
423-799 2 Spring City TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2016-03-31   
423-799 3 Spring City TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2016-03-31   
423-799 4 Spring City TN CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2004-12-20   
423-799 5 Spring City TN CHTGTNMAXVX  516C AT&T CORP. 472   2011-08-29   
423-799 7 Spring City TN CLEVTNDL0MD  704C CHARTER FIBERLINK-TENNESSEE, LLC - TN 472   2023-04-19   
423-799 8 Spring City TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2017-01-29   
423-799 9 Spring City TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2019-04-27   

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

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