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: 270

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-270 A Erwin TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-270 0 Erwin TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2015-09-06   
423-270 1 Erwin TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2014-11-06   
423-270 2 Erwin TN JHCYTNXCXHY  318J COMCAST IP PHONE, LLC 956   2014-08-29   
423-270 3 Erwin TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956   2015-12-25   
423-270 4 Erwin TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2018-01-23   
423-270 5 Erwin TN JHCYTNXCXRX  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 956   2016-04-28   
423-270 6 Erwin TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2023-01-09   
423-270 7 Erwin TN JHCYTNXCX1Y  508J CENTURYLINK COMMUNICATIONS, LLC 956   2014-04-19   
423-270 8 Erwin TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2024-03-21   
423-270 9 Erwin TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2013-06-08   

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

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