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: 957

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-957 A Hampton TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956      
423-957 0 Hampton TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956      
423-957 1 Hampton TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956      
423-957 2 Hampton TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956   2006-04-23   
423-957 3 Hampton TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956   2007-04-29   
423-957 5 Hampton TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2021-10-23   
423-957 6 Hampton TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956      
423-957 7 Hampton TN JHCYTNXCXPY  624H ONVOY SPECTRUM, LLC 956   2024-03-05   
423-957 8 Hampton TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2019-06-06   
423-957 9 Hampton TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956      

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

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