Local Calling Guide

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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
423-540 6 Newport TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2020-06-16   
423-540 8 Newport TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2022-05-21   
423-540 9 Newport TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-07-30   
423-541 A Chattanooga TN CHTGTNNSXNZ  197D VONAGE AMERICA LLC 472      
423-541 0 Chattanooga TN CHTGTNNSXNZ  197D VONAGE AMERICA LLC 472   2018-05-11   
423-541 1 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2018-06-21   
423-541 2 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2018-06-21   
423-541 3 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2018-06-21   
423-541 4 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2018-10-27   
423-541 5 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2018-10-27   
423-541 6 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2018-10-27   
423-541 7 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2019-04-01   
423-541 8 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2020-07-23   
423-541 9 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2020-07-23   
423-542 A Elizabethton TN ELTNTNXADS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-543 A Elizabethton TN ELTNTNXADS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-544 A Chattanooga TN   7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-544 0 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-544 1 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-544 2 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-544 3 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-544 4 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-544 5 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-544 6 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-544 7 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-544 8 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-544 9 Chattanooga TN   7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-545 A Madisonville TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474      
423-545 0 Madisonville TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2022-01-16   
423-545 1 Madisonville TN ALNAPAALXTX  073H TELNYX LLC 474   2022-06-26   
423-545 2 Madisonville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2022-09-29   
423-545 3 Madisonville TN KNVLTNMA84Z  516C AT&T CORP. 474   2010-06-17   
423-545 4 Madisonville TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474      
423-545 5 Madisonville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-10-25   
423-545 6 Madisonville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-10-25   
423-545 7 Madisonville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2022-09-29   
423-545 8 Madisonville TN MRTWTN280MD  704C CHARTER FIBERLINK-TENNESSEE, LLC - TN 474   2012-05-31   
423-545 9 Madisonville TN MRTWTN280MD  704C CHARTER FIBERLINK-TENNESSEE, LLC - TN 474   2005-11-27   
423-546 A Bulls Gap TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474      
423-546 0 Bulls Gap TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474   2005-12-10   
423-546 1 Bulls Gap TN KNVLTNMAY5X  073H TELNYX LLC 474   2021-03-22   
423-546 3 Bulls Gap TN KNVLTNIIDS0  7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 474   2017-01-16   
423-546 4 Bulls Gap TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474      
423-546 5 Bulls Gap TN KNVNTNEC6MD  516J TON80 COMMUNICATIONS, LLC 474   2022-03-26   
423-546 6 Bulls Gap TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-03-19   
423-546 7 Bulls Gap TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-03-19   
423-546 8 Bulls Gap TN KNVNTNEC2MD  939H COMMIO, LLC 474   2022-12-11   
423-547 A Elizabethton TN ELTNTNXADS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-548 A Copper Basin TN DCTWTNABRS1  566D ETC COMMUNICATIONS, L.L.C. - TN 472      
423-549 A Johnson City TN JHCYTNXCXFY  197D VONAGE AMERICA LLC 956      

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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