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: 388

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-388 A Erwin TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956      
423-388 0 Erwin TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956      
423-388 1 Erwin TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2007-03-11   
423-388 2 Erwin TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2010-09-25   
423-388 3 Erwin TN JHCYTNXC9MD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 956   2011-01-30   
423-388 4 Erwin TN JHCYTNXC9MD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 956   2005-01-30   
423-388 5 Erwin TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2009-07-10   
423-388 6 Erwin TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2018-08-25   
423-388 7 Erwin TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2016-08-22   
423-388 8 Erwin TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2003-08-18   
423-388 9 Erwin TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2003-08-18   

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

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