Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 792K CHARTER IP ENABLED SERVICES, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
423-631 0 Johnson City TN BUVLTNAX0MD  956   2008-05-23   
423-658 8 Whitwell TN CLEVTNDL1MD  472   2006-09-11   
423-659 2 Copper Basin TN CLEVTNDL1MD  472   2026-02-22   
423-665 3 Charleston TN CLEVTNDL1MD  472   2006-06-03   
423-691 1 Athens TN MRTWTN281MD  474   2023-08-27   
423-722 3 Johnson City TN BUVLTNAX0MD  956   2015-07-01   
423-726 2 Midway (Sullivan) TN BUVLTNAX0MD  956   2005-01-23   
423-729 A Fall Creek Falls TN CLEVTNDL1MD  472   2025-03-11   
423-729 1 Fall Creek Falls TN CLEVTNDL1MD  472   2024-11-10   
423-730 5 Riceville TN MRTWTN281MD  474   2023-06-11   
423-731 A New Tazewell TN MRTWTN281MD  474   2026-01-25   
423-731 1 New Tazewell TN MRTWTN281MD  474   2026-01-25   
423-732 7 Kingsport TN BUVLTNAX0MD  956   2016-07-01   
423-765 A Kingsport TN BUVLTNAX0MD  956      
423-765 0 Kingsport TN BUVLTNAX0MD  956   2005-01-23   
423-765 1 Kingsport TN BUVLTNAX0MD  956   2006-02-26   
423-765 2 Kingsport TN BUVLTNAX0MD  956   2006-07-21   
423-765 9 Kingsport TN BUVLTNAX0MD  956   2007-05-21   
423-769 1 Benton TN CLEVTNDL1MD  472   2022-05-08   
423-790 A Cleveland TN CLEVTNDL1MD  472   2025-03-11   
423-790 0 Cleveland TN CLEVTNDL1MD  472   2006-06-03   
423-790 1 Cleveland TN CLEVTNDL1MD  472   2006-12-15   
423-790 5 Cleveland TN CLEVTNDL1MD  472   2007-04-28   
423-790 7 Cleveland TN CLEVTNDL1MD  472   2007-06-09   
423-792 1 Oakdale TN MRTWTN281MD  474   2025-12-21   
423-797 4 Bristol TN BUVLTNAX0MD  956   2012-08-08   
423-797 5 Bristol TN BUVLTNAX0MD  956   2018-09-18   
423-799 7 Spring City TN CLEVTNDL1MD  472   2023-04-19   
423-806 1 Midway (Washington) TN BUVLTNAX0MD  956   2020-09-18   
423-808 1 Tellico Plains TN MRTWTN281MD  474   2023-07-05   
423-813 7 Cleveland TN CLEVTNDL1MD  472   2016-03-14   
423-833 0 Johnson City TN BUVLTNAX0MD  956   2018-01-07   
423-836 9 Sweetwater TN MRTWTN281MD  474   2005-11-27   
423-838 6 Chattanooga TN CLEVTNDL1MD  472   2006-06-03   
423-839 A Morristown TN MRTWTN281MD  474   2025-01-23   
423-839 0 Morristown TN MRTWTN281MD  474   2005-07-23   
423-839 1 Morristown TN MRTWTN281MD  474   2006-04-07   
423-839 2 Morristown TN MRTWTN281MD  474   2007-05-21   
423-868 1 Mosheim TN BUVLTNAX0MD  956   2025-11-16   
423-932 1 Etowah TN MRTWTN281MD  474   2023-02-19   
423-939 0 Jasper TN CLEVTNDL1MD  472   2006-09-11   
423-945 A College Station TN CLEVTNDL1MD  472   2025-12-21   
423-945 1 College Station TN CLEVTNDL1MD  472   2025-12-21   
423-957 4 Hampton TN BUVLTNAX0MD  956   2025-11-16   
423-961 9 Georgetown TN CLEVTNDL1MD  472   2006-06-03   
423-966 1 Ball Play TN MRTWTN281MD  474   2023-06-25   
424-235 2 Malibu CA NRWLCA142MD  730   2012-08-27   
424-425 8 Malibu CA NRWLCA142MD  730   2018-09-02   
424-477 A San Pedro CA MTPKCACG2MD  730      
424-477 0 San Pedro CA MTPKCACG2MD  730   2006-08-26   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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