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: 460

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-460 A Mountain City TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956      
423-460 0 Mountain City TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2010-10-30   
423-460 1 Mountain City TN BUVLTNAX0MD  792K CHARTER IP ENABLED SERVICES, LLC 956   2011-09-01   
423-460 2 Mountain City TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956   2022-10-03   
423-460 3 Mountain City TN BUVLTNAX0MD  792K CHARTER IP ENABLED SERVICES, LLC 956   2014-09-13   
423-460 4 Mountain City TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2014-10-10   
423-460 5 Mountain City TN JHCYTNXCX3X  7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 956   2016-04-01   
423-460 6 Mountain City TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2016-08-26   
423-460 7 Mountain City TN JHCYTNXCXPY  624H ONVOY SPECTRUM, LLC 956   2024-03-05   
423-460 8 Mountain City TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2019-06-06   
423-460 9 Mountain City TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2019-06-06   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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