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: 735

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-735 A Erwin TN ERWNTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-735 0 Erwin TN ERWNTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-735 1 Erwin TN ERWNTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-735 2 Erwin TN JHCYTNXCXQY  8356 US LEC OF TENNESSEE, INC. 956   2010-02-06   
423-735 3 Erwin TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2011-07-04   
423-735 4 Erwin TN ERWNTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-735 5 Erwin TN ERWNTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-735 6 Erwin TN JHCYTNXCX3X  7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 956   2012-01-20   
423-735 7 Erwin TN ERWNTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-735 8 Erwin TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2010-02-05   
423-735 9 Erwin TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2009-07-20   

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

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