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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
423-799 3 Spring City TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2016-03-31   
423-799 4 Spring City TN CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2004-12-20   
423-799 5 Spring City TN CHTGTNMAXVX  516C AT&T CORP. 472   2011-08-29   
423-799 7 Spring City TN   792K CHARTER IP ENABLED SERVICES, LLC 472   2023-04-19   
423-799 8 Spring City TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2017-01-29   
423-799 9 Spring City TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2019-04-27   
423-800 A Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-800 0 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2011-10-27   
423-800 1 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2011-11-26   
423-800 2 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2011-11-26   
423-800 3 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2011-11-26   
423-800 4 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2011-11-26   
423-800 5 Chattanooga TN CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2012-11-29   
423-800 6 Chattanooga TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2012-10-20   
423-800 7 Chattanooga TN CHTGTN12X8X  7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 472   2013-03-22   
423-800 8 Chattanooga TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2013-07-20   
423-800 9 Chattanooga TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2013-03-06   
423-801 A Cumberland Gap TN HRGTTNAG0MD  6278 UNITED STATES CELLULAR - TN 466      
423-801 0 Cumberland Gap TN HRGTTNAG0MD  6278 UNITED STATES CELLULAR - TN 466   2008-02-09   
423-801 1 Cumberland Gap TN LXTNKYXAX2Z  525E ONVOY, LLC - TN 466   2021-03-15   
423-801 2 Cumberland Gap TN LXTNKYXAX2Z  525E ONVOY, LLC - TN 466   2022-11-28   
423-801 3 Cumberland Gap TN DAVLKYMAXAX  365C POWERTEL KENTUCKY LICENSES, INC. 466   2024-03-19   
423-801 5 Cumberland Gap TN LXTNKYXAX2Z  525E ONVOY, LLC - TN 466   2022-11-28   
423-802 A Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472      
423-803 A Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472      
423-803 0 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2016-05-26   
423-803 1 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2016-02-25   
423-803 2 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2016-02-25   
423-803 3 Chattanooga TN CHTGTNNSXRZ  318J COMCAST IP PHONE, LLC 472   2016-02-26   
423-803 4 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2016-03-10   
423-803 5 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2016-05-26   
423-803 6 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2016-03-10   
423-803 7 Chattanooga TN CHTGTNNSXCZ  5562 METROPCS, INC. 472   2016-03-18   
423-803 8 Chattanooga TN CHTGTNNSXCZ  5562 METROPCS, INC. 472   2016-03-08   
423-803 9 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2016-05-26   
423-804 A Bristol TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956      
423-804 0 Bristol TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2022-04-09   
423-804 1 Bristol TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2022-04-09   
423-804 2 Bristol TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2022-05-07   
423-804 3 Bristol TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2022-05-07   
423-804 4 Bristol TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2022-05-07   
423-804 5 Bristol TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2022-05-07   
423-804 6 Bristol TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2022-05-07   
423-804 7 Bristol TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2022-08-05   
423-804 8 Bristol TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2022-08-05   
423-804 9 Bristol TN JHCYTNXCXYX  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 956   2022-08-05   
423-805 A Chattanooga TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472      
423-805 0 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2013-11-02   
423-805 1 Chattanooga TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2013-08-10   
423-805 2 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2013-09-19   
423-805 3 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2013-09-19   
423-805 4 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2014-01-08   
423-805 5 Chattanooga TN CHTGTNNSXRZ  318J COMCAST IP PHONE, LLC 472   2013-11-19   
423-805 6 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2014-03-20   
423-805 7 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2014-01-08   
423-805 8 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2014-03-20   
423-805 9 Chattanooga TN CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2013-10-10   
423-806 A Midway (Washington) TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956      
423-806 0 Midway (Washington) TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2015-07-18   
423-806 1 Midway (Washington) TN BUVLTNAX0MD  792K CHARTER IP ENABLED SERVICES, LLC 956   2020-09-18   
423-806 2 Midway (Washington) TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2018-06-09   
423-806 3 Midway (Washington) TN JHCYTNXCX3X  7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 956   2018-07-17   
423-806 4 Midway (Washington) TN JHCYTNXCXAY  073H TELNYX LLC 956   2021-01-23   
423-806 5 Midway (Washington) TN JHCYTNXCXHY  318J COMCAST IP PHONE, LLC 956   2015-09-21   
423-806 6 Midway (Washington) TN JHCYTNXCXRX  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 956   2016-02-08   
423-806 7 Midway (Washington) TN JHCYTNXCX8Y  939H COMMIO, LLC 956   2022-11-10   
423-806 8 Midway (Washington) TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2019-06-06   
423-806 9 Midway (Washington) TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2019-06-06   
423-807 A Madisonville TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-807 0 Madisonville TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-807 1 Madisonville TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-807 6 Madisonville TN KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-807 8 Madisonville TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2025-03-09   
423-807 9 Madisonville TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474   2025-03-09   
423-808 A Tellico Plains TN KNVLTNMAYHX  318J COMCAST IP PHONE, LLC 474      
423-808 0 Tellico Plains TN KNVLTNMAYHX  318J COMCAST IP PHONE, LLC 474   2007-11-05   
423-808 1 Tellico Plains TN MRTWTN281MD  792K CHARTER IP ENABLED SERVICES, LLC 474   2023-07-05   
423-808 2 Tellico Plains TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2020-06-19   
423-808 3 Tellico Plains TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2020-06-19   
423-808 5 Tellico Plains TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-10-25   
423-808 8 Tellico Plains TN   145J TERRA NOVA TELECOM INC. 474   2025-08-08   
423-809 A Pikeville TN CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472      
423-809 0 Pikeville TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2023-08-19   
423-809 1 Pikeville TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2023-08-19   
423-809 2 Pikeville TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2023-08-19   
423-809 3 Pikeville TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2023-08-19   
423-809 4 Pikeville TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2023-08-19   
423-809 5 Pikeville TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2023-08-19   
423-809 6 Pikeville TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2023-08-19   
423-809 7 Pikeville TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2023-08-19   
423-809 8 Pikeville TN CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2023-08-08   
423-809 9 Pikeville TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2023-08-19   
423-810 A Charleston TN CHTGTNNSXEY  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472      
423-810 0 Charleston TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2016-04-06   
423-810 1 Charleston TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2016-04-06   
423-810 2 Charleston TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2020-02-24   
423-810 3 Charleston TN CHTGTNNSXGZ  204G TWIN LAKES COMMUNICATIONS, INC. - TN 472   2022-12-30   
423-810 4 Charleston TN CHTGTNNSXJZ  073H TELNYX LLC 472   2023-01-27   
423-810 5 Charleston TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2023-08-11   
423-810 6 Charleston TN CHTGTNNSXEY  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 472   2015-10-01   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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