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NPA: 423 [Rate centres in NPA 423] [Dial plan for NPA 423]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-973 0 Sneedville TN KNVLTNMAYKX  515J IP HORIZON LLC 474   2016-03-25   
423-973 1 Sneedville TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2015-08-18   
423-973 2 Sneedville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2016-03-28   
423-973 3 Sneedville TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474   2011-08-19   
423-973 4 Sneedville TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474      
423-973 5 Sneedville TN KNVLTNMA84Z  516C AT&T CORP. 474   2011-11-02   
423-973 8 Sneedville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2016-03-28   
423-973 9 Sneedville TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2016-09-17   
423-975 A Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-977 A Chattanooga TN CHTGTNNSXPZ  965H FRACTEL, LLC 472      
423-977 0 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2021-07-17   
423-977 1 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2021-07-17   
423-977 2 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2020-03-07   
423-977 5 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2020-05-04   
423-977 6 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2020-05-04   
423-977 7 Chattanooga TN CHTGTNNSXPZ  965H FRACTEL, LLC 472   2019-09-18   
423-977 9 Chattanooga TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2024-12-02   
423-978 A Chattanooga TN   700J WAVENATION, LLC 472   2025-09-06   
423-978 0 Chattanooga TN   700J WAVENATION, LLC 472   2025-09-06   
423-979 A Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-979 0 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-979 1 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-979 2 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-979 3 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-979 4 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-979 5 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-979 6 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-979 7 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-979 8 Johnson City TN GTCYVA02AMD  008A MOUNTAINET TELEPHONE COMPANY - TN 956   2004-01-30   
423-979 9 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-09-05   
423-980 A Chattanooga TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472      
423-980 0 Chattanooga TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2021-05-30   
423-980 1 Chattanooga TN CHTGTN12X2Y  939H COMMIO, LLC 472   2024-02-08   
423-980 2 Chattanooga TN CHTGTN12X2Y  939H COMMIO, LLC 472   2024-02-08   
423-980 3 Chattanooga TN CHTGTN12X2Y  939H COMMIO, LLC 472   2024-02-08   
423-980 4 Chattanooga TN CHTGTNNSXYZ  478J NUSO, LLC 472   2024-11-24   
423-980 7 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2021-07-17   
423-980 9 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2021-07-17   
423-981 A Johnson City TN   700J WAVENATION, LLC 956   2025-09-06   
423-981 0 Johnson City TN   700J WAVENATION, LLC 956   2025-09-06   
423-987 A Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-989 A Bristol TN BRSTTNXADS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-990 A Bristol TN BRSTTNXADS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-991 A Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-992 A Bristol TN   145J TERRA NOVA TELECOM INC. 956   2025-10-09   
423-992 2 Bristol TN   145J TERRA NOVA TELECOM INC. 956   2025-10-09   
423-993 A Chattanooga TN   321J HD CARRIER LLC 472   2026-01-22   
423-993 6 Chattanooga TN   321J HD CARRIER LLC 472   2026-01-22   
423-993 7 Chattanooga TN   321J HD CARRIER LLC 472   2026-01-22   
423-993 8 Chattanooga TN   321J HD CARRIER LLC 472   2026-01-22   
423-993 9 Chattanooga TN   321J HD CARRIER LLC 472   2026-01-22   
423-994 A Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-994 0 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2007-07-01   
423-994 1 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472   2007-09-01   
423-994 2 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2009-02-05   
423-994 3 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2009-05-08   
423-994 4 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2009-05-08   
423-994 5 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2009-05-08   
423-994 6 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472   2007-09-01   
423-994 7 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2009-05-08   
423-994 8 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2009-05-08   
423-994 9 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472   2007-09-01   
423-995 A Johnson City TN   321J HD CARRIER LLC 956   2026-01-22   
423-995 6 Johnson City TN   321J HD CARRIER LLC 956   2026-01-22   
423-995 7 Johnson City TN   321J HD CARRIER LLC 956   2026-01-22   
423-995 8 Johnson City TN   321J HD CARRIER LLC 956   2026-01-22   
423-995 9 Johnson City TN   321J HD CARRIER LLC 956   2026-01-22   
423-996 A Charleston TN   7473 POWERTEL ATLANTA LICENSES, INC. 472   2025-11-22   
423-996 0 Charleston TN   7473 POWERTEL ATLANTA LICENSES, INC. 472   2025-12-20   
423-996 1 Charleston TN   7473 POWERTEL ATLANTA LICENSES, INC. 472   2025-12-20   
423-996 2 Charleston TN   7473 POWERTEL ATLANTA LICENSES, INC. 472   2025-12-20   
423-996 3 Charleston TN   7473 POWERTEL ATLANTA LICENSES, INC. 472   2026-02-22   
423-996 6 Charleston TN   145J TERRA NOVA TELECOM INC. 472   2025-11-24   
423-996 9 Charleston TN   7473 POWERTEL ATLANTA LICENSES, INC. 472   2025-11-22   
423-997 A Elizabethton TN   124F BANDWIDTH.COM CLEC, LLC - TN 956   2025-10-04   
423-997 0 Elizabethton TN   124F BANDWIDTH.COM CLEC, LLC - TN 956   2025-10-04   
423-997 7 Elizabethton TN   145J TERRA NOVA TELECOM INC. 956   2025-10-10   
423-997 8 Elizabethton TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2026-03-03   
423-998 A Jellico TN KNVOTNTN0MD  939H COMMIO, LLC 474      
423-998 6 Jellico TN KNVOTNTN0MD  939H COMMIO, LLC 474   2022-12-10   
423-998 7 Jellico TN KNVOTNTN0MD  939H COMMIO, LLC 474   2022-12-10   
423-998 8 Jellico TN KNVOTNTN0MD  939H COMMIO, LLC 474   2022-12-10   
423-998 9 Jellico TN KNVOTNTN0MD  939H COMMIO, LLC 474   2022-12-10   
423-999 A Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474      
423-999 0 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2011-05-14   
423-999 1 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2011-05-27   
423-999 2 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2011-05-27   
423-999 3 Athens TN KNVNTNEC5MD  145J TERRA NOVA TELECOM INC. 474   2024-02-05   
423-999 5 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2013-03-21   
423-999 6 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2013-05-12   
423-999 7 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2013-09-27   
423-999 8 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2013-10-28   
423-999 9 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2011-05-14   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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