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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
423-900 1 Johnson City TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2024-12-10   
423-900 2 Johnson City TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2016-08-21   
423-900 3 Johnson City TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2016-12-31   
423-900 4 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2020-04-04   
423-900 5 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2020-04-04   
423-900 6 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2020-04-04   
423-900 7 Johnson City TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2023-11-22   
423-900 8 Johnson City TN JHCYTNXC9MD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 956   2014-03-28   
423-900 9 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2020-04-04   
423-902 A Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-903 A Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-904 A Chattanooga TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472      
423-904 0 Chattanooga TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472   2022-06-12   
423-904 1 Chattanooga TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472   2021-09-26   
423-904 2 Chattanooga TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472   2021-09-26   
423-904 3 Chattanooga TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472   2021-09-26   
423-904 4 Chattanooga TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472   2021-09-26   
423-904 5 Chattanooga TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2021-10-23   
423-904 6 Chattanooga TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2021-10-23   
423-904 7 Chattanooga TN CHTGTNNSXYZ  478J NUSO, LLC 472   2024-11-24   
423-904 8 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2021-07-17   
423-904 9 Chattanooga TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472   2021-06-14   
423-905 A Johnson City TN JHCYTNXCXPY  624H ONVOY SPECTRUM, LLC 956      
423-905 0 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-09-05   
423-905 1 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-09-05   
423-905 2 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-09-05   
423-905 3 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-09-05   
423-905 4 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-09-05   
423-905 5 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-09-05   
423-905 6 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-09-05   
423-905 7 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-09-05   
423-905 8 Johnson City TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2021-09-05   
423-905 9 Johnson City TN JHCYTNXCXPY  624H ONVOY SPECTRUM, LLC 956   2021-06-14   
423-906 A Johnson City TN JHCYTNXCXWY  475J CALLWORKS CORPORATION 956      
423-906 0 Johnson City TN JHCYTNXCXPY  624H ONVOY SPECTRUM, LLC 956   2024-01-05   
423-906 1 Johnson City TN JHCYTNXCXWY  475J CALLWORKS CORPORATION 956   2023-12-15   
423-906 2 Johnson City TN JHCYTNXCXRY  478J NUSO, LLC 956   2024-06-09   
423-906 3 Johnson City TN JHCYTNXCXRY  478J NUSO, LLC 956   2024-06-09   
423-906 4 Johnson City TN JHCYTNXCXRY  478J NUSO, LLC 956   2024-09-21   
423-906 5 Johnson City TN JHCYTNXCXRY  478J NUSO, LLC 956   2024-09-21   
423-906 6 Johnson City TN JHCYTNXCX8Y  939H COMMIO, LLC 956   2024-02-08   
423-906 7 Johnson City TN JHCYTNXCX8Y  939H COMMIO, LLC 956   2024-02-08   
423-906 8 Johnson City TN JHCYTNXCX8Y  939H COMMIO, LLC 956   2024-02-08   
423-906 9 Johnson City TN JHCYTNXCX8Y  939H COMMIO, LLC 956   2024-02-08   
423-907 A La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-907 0 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-907 1 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-907 2 La Follette TN KNVLTNMA31Z  6278 UNITED STATES CELLULAR - TN 474      
423-907 3 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-907 4 La Follette TN KNVLTNMA31Z  6278 UNITED STATES CELLULAR - TN 474      
423-907 5 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-907 6 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-907 7 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-907 8 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-907 9 La Follette TN LFLTTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-908 A Surgoinsville TN KNVOTNTN0MD  939H COMMIO, LLC 474   2024-03-14   
423-908 0 Surgoinsville TN KNVNTNEC2MD  939H COMMIO, LLC 474   2024-03-14   
423-908 1 Surgoinsville TN KNVNTNEC2MD  939H COMMIO, LLC 474   2024-03-14   
423-909 A South Pittsburg TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472      
423-909 0 South Pittsburg TN CHTGTNNSXMZ  624H ONVOY SPECTRUM, LLC 472   2023-07-22   
423-909 1 South Pittsburg TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2023-09-18   
423-910 A Ooltewah TN CHTGTNNSXRZ  318J COMCAST IP PHONE, LLC 472      
423-910 0 Ooltewah TN CHTGTNNSXRZ  318J COMCAST IP PHONE, LLC 472   2007-05-03   
423-910 1 Ooltewah TN CHTGTNNSXRZ  318J COMCAST IP PHONE, LLC 472   2008-10-30   
423-910 2 Ooltewah TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2021-03-15   
423-910 3 Ooltewah TN CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2018-07-11   
423-910 4 Ooltewah TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2019-09-01   
423-910 5 Ooltewah TN CHTGTNNSXRZ  318J COMCAST IP PHONE, LLC 472   2015-03-26   
423-910 6 Ooltewah TN CHTGTNNSXEY  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472   2014-06-06   
423-910 8 Ooltewah TN CHTGTNNSXGZ  204G TWIN LAKES COMMUNICATIONS, INC. - TN 472   2020-11-23   
423-910 9 Ooltewah TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2008-11-28   
423-912 A La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-912 0 La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-912 1 La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-912 2 La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2004-04-03   
423-912 3 La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2004-11-05   
423-912 4 La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2004-11-05   
423-912 5 La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2005-08-12   
423-912 6 La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2005-08-12   
423-912 7 La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2006-04-17   
423-912 8 La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-912 9 La Follette TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2006-04-17   
423-913 A Jonesboro TN JNBOTNXARP0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-913 0 Jonesboro TN JNBOTNXARP0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-913 1 Jonesboro TN JNBOTNXARP0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-913 2 Jonesboro TN JNBOTNXARP0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-913 3 Jonesboro TN JNBOTNXARP0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-913 4 Jonesboro TN JHCYTNXCXHY  318J COMCAST IP PHONE, LLC 956   2011-08-18   
423-913 5 Jonesboro TN JNBOTNXARP0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-913 7 Jonesboro TN JHCYTNXCYZZ  829J PAETEC ITEL, LLC 956   2014-08-30   
423-913 8 Jonesboro TN JNBOTNXARP0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-913 9 Jonesboro TN JHCYTNXCXPY  624H ONVOY SPECTRUM, LLC 956   2023-04-27   
423-914 A Bristol TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-915 A Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-915 0 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-915 1 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-915 2 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-915 3 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-915 4 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-915 5 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      

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Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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