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: 251

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-251 A Kingsport TN JHCYTNXCX2Y  5562 METROPCS, INC. 956      
423-251 0 Kingsport TN JHCYTNXCX2Y  5562 METROPCS, INC. 956   2017-12-14   
423-251 1 Kingsport TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2019-06-07   
423-251 2 Kingsport TN JHCYTNXCX2Y  5562 METROPCS, INC. 956   2018-04-27   
423-251 3 Kingsport TN JHCYTNXCX2Y  5562 METROPCS, INC. 956   2017-03-16   
423-251 4 Kingsport TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2018-09-20   
423-251 5 Kingsport TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2019-07-18   
423-251 6 Kingsport TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2019-07-18   
423-251 7 Kingsport TN JHCYTNXCX2Y  5562 METROPCS, INC. 956   2019-07-22   
423-251 8 Kingsport TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2019-06-23   
423-251 9 Kingsport TN JHCYTNXCX2Y  5562 METROPCS, INC. 956   2017-02-26   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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