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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
423-922 5 Baileyton TN   525E ONVOY, LLC - TN 956   2021-07-10   
423-922 6 Baileyton TN   525E ONVOY, LLC - TN 956   2021-07-10   
423-922 7 Baileyton TN   124F BANDWIDTH.COM CLEC, LLC - TN 956   2021-12-09   
423-922 8 Baileyton TN   124F BANDWIDTH.COM CLEC, LLC - TN 956   2022-02-26   
423-922 9 Baileyton TN   124F BANDWIDTH.COM CLEC, LLC - TN 956   2022-03-20   
423-923 A Rogersville TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-923 0 Rogersville TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-923 1 Rogersville TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-923 2 Rogersville TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-923 3 Rogersville TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2005-07-18   
423-923 4 Rogersville TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-923 5 Rogersville TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2007-04-21   
423-923 6 Rogersville TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2007-09-17   
423-923 7 Rogersville TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2006-09-17   
423-923 8 Rogersville TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-923 9 Rogersville TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2008-12-06   
423-924 A Johnson City TN   276F PEERLESS NETWORK OF TENNESSEE, LLC - TN 956   2025-05-04   
423-924 0 Johnson City TN   276F PEERLESS NETWORK OF TENNESSEE, LLC - TN 956   2025-05-04   
423-924 1 Johnson City TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2025-10-20   
423-924 4 Johnson City TN   490J DISH WIRELESS, LLC 956   2025-09-25   
423-924 5 Johnson City TN   490J DISH WIRELESS, LLC 956   2025-08-21   
423-925 A La Follette TN KNVNTNEC6MD  516J TON80 COMMUNICATIONS, LLC 474      
423-925 0 La Follette TN   939H COMMIO, LLC 474   2022-08-12   
423-925 1 La Follette TN   525E ONVOY, LLC - TN 474   2023-03-06   
423-925 2 La Follette TN   525E ONVOY, LLC - TN 474   2023-09-09   
423-925 3 La Follette TN   7476 POWERTEL NASHVILLE LICENSES, INC. 474   2024-03-24   
423-925 4 La Follette TN   7476 POWERTEL NASHVILLE LICENSES, INC. 474   2024-03-24   
423-925 5 La Follette TN   516J TON80 COMMUNICATIONS, LLC 474   2022-05-26   
423-925 8 La Follette TN   7476 POWERTEL NASHVILLE LICENSES, INC. 474   2024-03-24   
423-925 9 La Follette TN   624H ONVOY SPECTRUM, LLC 474   2023-06-17   
423-926 A Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-927 A Morristown TN KNVNTNEC6MD  516J TON80 COMMUNICATIONS, LLC 474      
423-927 0 Morristown TN   939H COMMIO, LLC 474   2022-08-12   
423-927 1 Morristown TN   525E ONVOY, LLC - TN 474   2022-09-29   
423-927 2 Morristown TN   525E ONVOY, LLC - TN 474   2022-09-29   
423-927 3 Morristown TN   525E ONVOY, LLC - TN 474   2022-09-29   
423-927 7 Morristown TN   516J TON80 COMMUNICATIONS, LLC 474   2022-05-04   
423-928 A Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-929 A Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-930 A Johnson City TN GTCYVA020MD  3185 MOUNTAINET TELEPHONE COMPANY - VA 956      
423-930 0 Johnson City TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2009-07-02   
423-930 1 Johnson City TN   3185 MOUNTAINET TELEPHONE COMPANY - VA 956   2009-04-06   
423-930 2 Johnson City TN   8645 SUNCOM DBA T-MOBILE USA 956   2009-05-21   
423-930 3 Johnson City TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2010-04-04   
423-930 4 Johnson City TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2009-10-04   
423-930 5 Johnson City TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2009-12-06   
423-930 6 Johnson City TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2009-12-31   
423-930 7 Johnson City TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2010-02-05   
423-930 8 Johnson City TN   124F BANDWIDTH.COM CLEC, LLC - TN 956   2011-06-18   
423-930 9 Johnson City TN   124F BANDWIDTH.COM CLEC, LLC - TN 956   2011-06-18   
423-932 A Etowah TN KNVNTNEC6MD  516J TON80 COMMUNICATIONS, LLC 474      
423-932 0 Etowah TN   204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2022-12-30   
423-932 1 Etowah TN   792K CHARTER IP ENABLED SERVICES, LLC 474   2023-02-19   
423-932 2 Etowah TN   525E ONVOY, LLC - TN 474   2023-02-10   
423-932 3 Etowah TN   939H COMMIO, LLC 474   2024-02-08   
423-932 4 Etowah TN   939H COMMIO, LLC 474   2024-02-08   
423-932 7 Etowah TN   516J TON80 COMMUNICATIONS, LLC 474   2022-03-21   
423-932 8 Etowah TN   624H ONVOY SPECTRUM, LLC 474   2023-06-17   
423-932 9 Etowah TN   525E ONVOY, LLC - TN 474   2023-09-16   
423-933 A Chattanooga TN CHTGTNNS04Z  829J PAETEC ITEL, LLC 472   2024-12-05   
423-933 0 Chattanooga TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2020-03-07   
423-933 1 Chattanooga TN   4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2005-04-01   
423-933 2 Chattanooga TN   4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2005-04-01   
423-933 3 Chattanooga TN   4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2005-04-01   
423-933 4 Chattanooga TN   7473 POWERTEL ATLANTA LICENSES, INC. 472   2005-05-08   
423-933 5 Chattanooga TN   7473 POWERTEL ATLANTA LICENSES, INC. 472   2005-03-20   
423-933 6 Chattanooga TN   7473 POWERTEL ATLANTA LICENSES, INC. 472   2006-03-26   
423-933 7 Chattanooga TN   7473 POWERTEL ATLANTA LICENSES, INC. 472   2006-04-26   
423-933 8 Chattanooga TN   7473 POWERTEL ATLANTA LICENSES, INC. 472   2006-03-11   
423-933 9 Chattanooga TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2020-03-07   
423-934 A Surgoinsville TN KNVNTNEC6MD  516J TON80 COMMUNICATIONS, LLC 474      
423-934 0 Surgoinsville TN   073H TELNYX LLC 474   2021-05-14   
423-934 1 Surgoinsville TN   525E ONVOY, LLC - TN 474   2021-07-11   
423-934 2 Surgoinsville TN   525E ONVOY, LLC - TN 474   2021-10-25   
423-934 4 Surgoinsville TN   525E ONVOY, LLC - TN 474   2021-05-22   
423-934 5 Surgoinsville TN   525E ONVOY, LLC - TN 474   2021-05-22   
423-934 6 Surgoinsville TN   516J TON80 COMMUNICATIONS, LLC 474   2021-05-09   
423-934 8 Surgoinsville TN   939H COMMIO, LLC 474   2021-11-18   
423-934 9 Surgoinsville TN   939H COMMIO, LLC 474   2021-11-18   
423-936 A Sunbright TN KNVLTNMAYHX  318J COMCAST IP PHONE, LLC 474   2024-07-05   
423-936 1 Sunbright TN   318J COMCAST IP PHONE, LLC 474   2024-07-05   
423-938 A Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-939 A Jasper TN CHTGTNNS04Z  829J PAETEC ITEL, LLC 472   2024-12-05   
423-939 0 Jasper TN   792K CHARTER IP ENABLED SERVICES, LLC 472   2006-09-11   
423-939 1 Jasper TN   939H COMMIO, LLC 472   2024-02-08   
423-939 2 Jasper TN   829J PAETEC ITEL, LLC 472   2008-08-24   
423-939 3 Jasper TN   525E ONVOY, LLC - TN 472   2021-03-15   
423-939 4 Jasper TN   516C AT&T CORP. 472   2010-03-19   
423-939 5 Jasper TN   114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472   2009-05-25   
423-939 6 Jasper TN   4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2020-02-24   
423-939 7 Jasper TN   829J PAETEC ITEL, LLC 472   2013-07-15   
423-939 9 Jasper TN   124F BANDWIDTH.COM CLEC, LLC - TN 472   2008-11-28   
423-940 A Dayton TN CHTGTN12X2Y  939H COMMIO, LLC 472      
423-940 0 Dayton TN   939H COMMIO, LLC 472   2023-05-20   
423-940 8 Dayton TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2024-10-05   
423-940 9 Dayton TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2024-10-05   
423-941 A Deer Lodge TN KNVLTNMAYHX  318J COMCAST IP PHONE, LLC 474   2024-07-05   
423-941 1 Deer Lodge TN   318J COMCAST IP PHONE, LLC 474   2024-07-05   
423-942 A Jasper TN JSPRTNMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-943 A Johnson City TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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