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: 291

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-291 A Mountain City TN   8645 SUNCOM DBA T-MOBILE USA 956      
423-291 0 Mountain City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2004-11-20   
423-291 1 Mountain City TN JHCYTNDJAMD  6664 SPRINT SPECTRUM, L.P. 956      
423-291 2 Mountain City TN JHCYTNDJAMD  6664 SPRINT SPECTRUM, L.P. 956   2006-01-03   
423-291 3 Mountain City TN JHCYTNDJAMD  6664 SPRINT SPECTRUM, L.P. 956   2007-05-22   
423-291 4 Mountain City TN JHCYTNXC9MD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 956   2006-01-30   
423-291 5 Mountain City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2007-03-22   
423-291 6 Mountain City TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2011-07-04   
423-291 7 Mountain City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2009-02-19   
423-291 8 Mountain City TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2010-06-19   
423-291 9 Mountain City TN JHCYTNDJAMD  6664 SPRINT SPECTRUM, L.P. 956      

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

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