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: 516

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-516 A Sullivan Gardens TN SLGRTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-516 0 Sullivan Gardens TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2015-02-21   
423-516 1 Sullivan Gardens TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2023-09-16   
423-516 2 Sullivan Gardens TN SLGRTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956   2012-04-13   
423-516 3 Sullivan Gardens TN SLGRTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956   2012-05-26   
423-516 4 Sullivan Gardens TN SLGRTNXARS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956   2012-05-26   
423-516 5 Sullivan Gardens TN JHCYTNXCX3X  7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 956   2013-06-01   
423-516 6 Sullivan Gardens TN JHCYTNXCXRX  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 956   2016-09-16   
423-516 7 Sullivan Gardens TN JHCYTNXC9MD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 956   2014-04-21   
423-516 8 Sullivan Gardens TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2018-06-09   
423-516 9 Sullivan Gardens TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2018-08-05   

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

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