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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
423-557 8 Johnson City TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2008-11-02   
423-557 9 Johnson City TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956   2004-11-26   
423-558 A Chattanooga TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472      
423-558 0 Chattanooga TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2007-03-17   
423-558 1 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2020-03-07   
423-558 2 Chattanooga TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2018-06-11   
423-558 3 Chattanooga TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2019-05-24   
423-558 4 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2020-03-07   
423-558 5 Chattanooga TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472   2021-11-12   
423-558 6 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2020-03-07   
423-558 7 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2020-03-07   
423-558 8 Chattanooga TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472   2021-11-12   
423-558 9 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2020-03-07   
423-559 A Cleveland TN CLEVTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-560 A Erwin TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956      
423-560 0 Erwin TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2020-03-16   
423-560 1 Erwin TN JHCYTNXCXAY  073H TELNYX LLC 956   2021-01-23   
423-560 2 Erwin TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2021-07-10   
423-560 3 Erwin TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2021-07-10   
423-560 4 Erwin TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2021-02-17   
423-560 5 Erwin TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2021-02-17   
423-560 6 Erwin TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2018-09-21   
423-560 7 Erwin TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2018-09-21   
423-560 8 Erwin TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2022-09-29   
423-560 9 Erwin TN JHCYTNXCXRX  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 956   2021-05-05   
423-561 A Sweetwater TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2024-01-15   
423-561 0 Sweetwater TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2014-09-22   
423-561 1 Sweetwater TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2016-07-23   
423-561 2 Sweetwater TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2016-03-28   
423-561 3 Sweetwater TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2016-03-28   
423-561 5 Sweetwater TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2016-12-01   
423-561 6 Sweetwater TN KNVLTNMA54Z  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 474   2015-04-27   
423-561 7 Sweetwater TN KNVNTNEC8MD  490J BOOST SUBSCRIBERCO L.L.C. 474   2024-03-22   
423-561 8 Sweetwater TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2016-06-09   
423-561 9 Sweetwater TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2016-06-09   
423-562 A La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-563 A La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-563 0 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-563 1 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-563 2 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-563 3 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-563 4 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-563 5 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-563 6 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-563 7 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-563 8 La Follette TN   124F BANDWIDTH.COM CLEC, LLC - TN 474   2025-11-06   
423-563 9 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-564 A Rogersville TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474      
423-564 0 Rogersville TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2018-07-27   
423-564 1 Rogersville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2020-02-06   
423-564 2 Rogersville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2018-07-30   
423-564 3 Rogersville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2018-07-30   
423-564 4 Rogersville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2019-06-09   
423-564 5 Rogersville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2019-06-09   
423-564 6 Rogersville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2019-06-09   
423-564 7 Rogersville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2019-11-18   
423-564 8 Rogersville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-01-14   
423-564 9 Rogersville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2022-05-15   
423-565 A Decatur TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472      
423-565 0 Decatur TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2018-11-01   
423-565 1 Decatur TN CHTGTNNSXGZ  204G TWIN LAKES COMMUNICATIONS, INC. - TN 472   2019-03-07   
423-565 2 Decatur TN CHTGTNNSXJZ  073H TELNYX LLC 472   2021-01-23   
423-565 3 Decatur TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2020-02-24   
423-565 4 Decatur TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2022-12-02   
423-565 5 Decatur TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2021-03-15   
423-565 6 Decatur TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2021-03-15   
423-565 8 Decatur TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2019-01-11   
423-565 9 Decatur TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2019-01-11   
423-566 A La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-567 A Dayton TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-567 0 Dayton TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2009-01-17   
423-567 1 Dayton TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2010-06-19   
423-567 2 Dayton TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2009-11-06   
423-567 3 Dayton TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2010-09-25   
423-567 4 Dayton TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2011-02-21   
423-567 5 Dayton TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2011-04-08   
423-567 6 Dayton TN CHTGTNMAXVX  516C AT&T CORP. 472   2010-03-19   
423-567 7 Dayton TN CHTGTNNSXEY  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472   2013-03-01   
423-567 8 Dayton TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2016-08-22   
423-567 9 Dayton TN CHTGTNNSXJZ  073H TELNYX LLC 472   2021-01-23   
423-568 A Niota TN NIOTTNXARP0  0578 TELLICO TEL. CO., INC. 474      
423-568 0 Niota TN NIOTTNXARP0  0578 TELLICO TEL. CO., INC. 474      
423-568 1 Niota TN KNVLTNMAYBX  204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2022-12-30   
423-568 2 Niota TN NIOTTNXARP0  0578 TELLICO TEL. CO., INC. 474      
423-568 3 Niota TN NIOTTNXARP0  0578 TELLICO TEL. CO., INC. 474      
423-568 4 Niota TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2023-02-24   
423-568 5 Niota TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2020-01-02   
423-568 8 Niota TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-05-22   
423-568 9 Niota TN MRTWTN281MD  792K CHARTER IP ENABLED SERVICES, LLC 474   2023-09-10   
423-569 A Oneida TN ONEDTNXADS1  0565 HIGHLAND TEL. COOP, INC. 474      
423-570 A Dayton TN DYTNTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-570 0 Dayton TN DYTNTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-570 1 Dayton TN DYTNTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-570 2 Dayton TN DYTNTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-570 3 Dayton TN DYTNTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-570 4 Dayton TN DYTNTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-570 6 Dayton TN DYTNTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-570 7 Dayton TN DYTNTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-570 8 Dayton TN DYTNTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-570 9 Dayton TN DYTNTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      

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

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