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: 391

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-391 A Bluff City TN BLCYTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-391 0 Bluff City TN BLCYTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-391 1 Bluff City TN BLCYTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-391 2 Bluff City TN   624H ONVOY SPECTRUM, LLC 956   2024-03-05   
423-391 3 Bluff City TN BLCYTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956   2006-11-27   
423-391 4 Bluff City TN JHCYTNXCX3X  7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 956   2009-05-12   
423-391 5 Bluff City TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2010-06-19   
423-391 6 Bluff City TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2010-10-08   
423-391 7 Bluff City TN   792K CHARTER IP ENABLED SERVICES, LLC 956   2005-01-23   
423-391 8 Bluff City TN   792K CHARTER IP ENABLED SERVICES, LLC 956   2011-10-23   
423-391 9 Bluff City TN JHCYTNXC9MD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 956   2013-03-03   

Last updated: Sun, 06 Oct 2024 02:51:32 UTC

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