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: 972

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-972 A Greeneville TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956      
423-972 0 Greeneville TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956      
423-972 1 Greeneville TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2005-09-09   
423-972 2 Greeneville TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2005-12-05   
423-972 3 Greeneville TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2006-03-10   
423-972 4 Greeneville TN JHCYTNXC9MD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 956   2005-02-26   
423-972 5 Greeneville TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2006-06-11   
423-972 6 Greeneville TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956   2006-06-22   
423-972 7 Greeneville TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2006-09-04   
423-972 8 Greeneville TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2006-11-16   
423-972 9 Greeneville TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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