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
423-438 0 Morristown TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474      
423-438 1 Morristown TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474   2006-10-09   
423-438 2 Morristown TN KNVLTNMA96Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2009-10-28   
423-438 3 Morristown TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2010-06-19   
423-438 4 Morristown TN KNVLTNMAYHX  318J COMCAST IP PHONE, LLC 474   2008-11-21   
423-438 5 Morristown TN KNVLTNMA96Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2008-12-16   
423-438 6 Morristown TN KNVLTNMA96Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2009-06-19   
423-438 7 Morristown TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2009-12-10   
423-438 8 Morristown TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2009-12-10   
423-438 9 Morristown TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2009-12-10   
423-439 A Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-439 0 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-439 1 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-439 2 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-439 3 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-439 4 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-439 5 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-439 6 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-439 7 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-439 8 Johnson City TN JHCYTNXCPS0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-439 9 Johnson City TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2014-10-06   
423-440 A Elizabethton TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-440 0 Elizabethton TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2009-12-19   
423-440 1 Elizabethton TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2009-12-19   
423-440 2 Elizabethton TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2010-02-05   
423-440 3 Elizabethton TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2010-02-05   
423-440 4 Elizabethton TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2010-03-11   
423-440 5 Elizabethton TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2010-03-11   
423-440 6 Elizabethton TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2013-01-21   
423-440 7 Elizabethton TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2023-01-19   
423-440 8 Elizabethton TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2010-06-19   
423-440 9 Elizabethton TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2009-12-13   
423-441 A Cumberland Gap TN DAVLKYMAXAX  365C POWERTEL KENTUCKY LICENSES, INC. 466      
423-441 0 Cumberland Gap TN CRBNKYMA0MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 466   2008-10-10   
423-441 1 Cumberland Gap TN LXTNKYXAX2Z  525E ONVOY, LLC - TN 466   2021-03-15   
423-441 2 Cumberland Gap TN CRBNKYMA0MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 466   2009-05-08   
423-441 3 Cumberland Gap TN WNCHKYMAXTY  624H ONVOY SPECTRUM, LLC 466   2024-05-18   
423-441 4 Cumberland Gap TN LXTNKYXAX2Z  525E ONVOY, LLC - TN 466   2019-08-29   
423-441 5 Cumberland Gap TN WNCHKYMAXMY  516C AT&T CORP. 466   2012-12-22   
423-441 6 Cumberland Gap TN LXTNKYXAX2Z  525E ONVOY, LLC - TN 466   2021-07-11   
423-441 7 Cumberland Gap TN LXTNKYXAX2Z  525E ONVOY, LLC - TN 466   2021-07-11   
423-441 8 Cumberland Gap TN GRTWKYMAJMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 466   2014-08-22   
423-441 9 Cumberland Gap TN DAVLKYMAXAX  365C POWERTEL KENTUCKY LICENSES, INC. 466   2003-02-28   
423-442 A Madisonville TN MDVITNMTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-443 A Chattanooga TN CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472      
423-443 0 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2005-01-03   
423-443 1 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2005-01-03   
423-443 2 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2005-01-03   
423-443 3 Chattanooga TN CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2004-12-29   
423-443 4 Chattanooga TN CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472      
423-443 5 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2005-02-06   
423-443 6 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2005-02-06   
423-443 7 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2005-02-06   
423-443 8 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2005-03-12   
423-443 9 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2005-03-12   
423-444 A Limestone TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-444 0 Limestone TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2010-10-08   
423-444 1 Limestone TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2010-11-19   
423-444 2 Limestone TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2010-12-18   
423-444 3 Limestone TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2011-01-14   
423-444 4 Limestone TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2010-06-19   
423-444 5 Limestone TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2011-01-19   
423-444 6 Limestone TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2011-11-22   
423-444 7 Limestone TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2024-10-18   
423-444 8 Limestone TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2011-07-04   
423-444 9 Limestone TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956   2010-03-12   
423-445 A Surgoinsville TN KNVLTNMA84Z  516C AT&T CORP. 474      
423-445 0 Surgoinsville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2016-04-03   
423-445 1 Surgoinsville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2016-04-03   
423-445 2 Surgoinsville TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2017-06-03   
423-445 3 Surgoinsville TN KNVLTNIIDS0  7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 474   2017-01-16   
423-445 4 Surgoinsville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2016-05-26   
423-445 5 Surgoinsville TN KNVLTNMA84Z  516C AT&T CORP. 474   2011-11-02   
423-445 6 Surgoinsville TN KNVLTNMA54Z  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 474   2017-01-20   
423-445 7 Surgoinsville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2018-03-31   
423-445 8 Surgoinsville TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2018-09-22   
423-445 9 Surgoinsville TN KNVLTNMAY8X  624H ONVOY SPECTRUM, LLC 474   2023-06-17   
423-446 A Fall Branch TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956      
423-446 0 Fall Branch TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956   2022-08-26   
423-446 1 Fall Branch TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2011-03-14   
423-446 2 Fall Branch TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2011-04-08   
423-446 3 Fall Branch TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2016-08-26   
423-446 4 Fall Branch TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956   2022-01-19   
423-446 5 Fall Branch TN BUVLTNAX0MD  792K CHARTER IP ENABLED SERVICES, LLC 956   2017-07-08   
423-446 6 Fall Branch TN JHCYTNXCX2Y  8645 SUNCOM DBA T-MOBILE USA 956   2022-01-19   
423-446 7 Fall Branch TN JHCYTNXCXPY  624H ONVOY SPECTRUM, LLC 956   2024-03-05   
423-446 8 Fall Branch TN JHCYTNXCXHY  318J COMCAST IP PHONE, LLC 956   2008-06-15   
423-446 9 Fall Branch TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2018-06-08   
423-447 A Pikeville TN PKVLTNXADS1  0554 BLEDSOE TEL. COOP. 472      
423-448 A Pikeville TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-449 A La Follette TN KNVLTNMAYAY  829J PAETEC ITEL, LLC 474   2024-12-05   
423-449 0 La Follette TN KNVLTNMAYAY  829J PAETEC ITEL, LLC 474      
423-449 1 La Follette TN KNVNTNEC8MD  490J DISH WIRELESS, LLC 474   2024-07-15   
423-449 2 La Follette TN KNVNTNEC8MD  490J DISH WIRELESS, LLC 474   2024-03-22   
423-449 3 La Follette TN   6278 UNITED STATES CELLULAR - TN 474   2025-01-23   
423-449 4 La Follette TN   6278 UNITED STATES CELLULAR - TN 474   2025-01-23   
423-449 5 La Follette TN   6278 UNITED STATES CELLULAR - TN 474   2025-01-23   
423-449 6 La Follette TN   6278 UNITED STATES CELLULAR - TN 474   2025-01-23   
423-449 7 La Follette TN KNVLTNMAYAY  829J PAETEC ITEL, LLC 474      
423-449 8 La Follette TN KNVLTNMAYHX  318J COMCAST IP PHONE, LLC 474   2013-10-14   

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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