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: 398

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-398 A Kingsport TN JHCYTNXCX2Y  5562 METROPCS, INC. 956      
423-398 0 Kingsport TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2024-04-17   
423-398 1 Kingsport TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2011-07-04   
423-398 3 Kingsport TN JHCYTNXCAMD  284E YMAX COMMUNICATIONS CORP. - TN 956   2011-08-03   
423-398 5 Kingsport TN BUVLTNAXPS1  704C CHARTER FIBERLINK-TENNESSEE, LLC - TN 956   2011-09-10   
423-398 6 Kingsport TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2015-06-14   
423-398 7 Kingsport TN JHCYTNXCX1Y  508J CENTURYLINK COMMUNICATIONS, LLC 956   2014-04-19   
423-398 9 Kingsport TN   8645 SUNCOM DBA T-MOBILE USA 956   2011-04-29   

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

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