Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 423 [Rate centres in NPA 423] [Dial plan for NPA 423]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-691 3 Athens TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-11-02   
423-691 4 Athens TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-11-02   
423-691 5 Athens TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2022-11-15   
423-691 6 Athens TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2022-11-15   
423-691 7 Athens TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2022-11-15   
423-691 8 Athens TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2022-11-15   
423-691 9 Athens TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2022-01-07   
423-692 A Butler TN JHCYTNXCX9Y  081J SKYBEST COMMUNICATIONS, INC. - TN 956      
423-692 0 Butler TN   624H ONVOY SPECTRUM, LLC 956   2024-03-05   
423-692 1 Butler TN JHCYTNXCX9Y  081J SKYBEST COMMUNICATIONS, INC. - TN 956   2021-10-23   
423-693 A Chattanooga TN CHTGTN78DS0  2757 CENTURYLINK COMMUNICATIONS LLC - TN 472      
423-693 0 Chattanooga TN CHTGTN78DS0  2757 CENTURYLINK COMMUNICATIONS LLC - TN 472   2006-07-10   
423-693 1 Chattanooga TN CHTGTNOX6MD  7473 POWERTEL ATLANTA LICENSES, INC. 472   2008-03-25   
423-693 2 Chattanooga TN CHTITNCDDS0  4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2007-05-01   
423-693 3 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2007-05-10   
423-693 4 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2007-05-10   
423-693 5 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2007-05-10   
423-693 6 Chattanooga TN   7473 POWERTEL ATLANTA LICENSES, INC. 472   2007-04-24   
423-693 7 Chattanooga TN   7473 POWERTEL ATLANTA LICENSES, INC. 472   2007-04-24   
423-693 8 Chattanooga TN   7473 POWERTEL ATLANTA LICENSES, INC. 472   2007-04-24   
423-693 9 Chattanooga TN CHTGTNOX6MD  7473 POWERTEL ATLANTA LICENSES, INC. 472   2007-04-24   
423-694 A Sweetwater TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474      
423-694 0 Sweetwater TN KNVNTNEC2MD  939H COMMIO, LLC 474   2022-11-28   
423-694 1 Sweetwater TN KNVLTNMAY8X  624H ONVOY SPECTRUM, LLC 474   2023-06-17   
423-694 2 Sweetwater TN KNVLTNMAYIX  506J TWILIO INTERNATIONAL, INC. 474   2021-11-03   
423-694 6 Sweetwater TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2022-12-28   
423-694 7 Sweetwater TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2022-12-28   
423-694 8 Sweetwater TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2022-12-28   
423-694 9 Sweetwater TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2021-10-23   
423-695 A Erwin TN ERWNTNXAW00  8945 NA COMMUNICATIONS, INC. 956      
423-696 A Rogersville TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474      
423-696 0 Rogersville TN KNVLTNMAYBX  204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2022-04-07   
423-696 1 Rogersville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2022-04-17   
423-696 2 Rogersville TN KNVLTNMAYIX  506J TWILIO INTERNATIONAL, INC. 474   2021-11-03   
423-696 3 Rogersville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-11-19   
423-696 4 Rogersville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2022-01-29   
423-696 5 Rogersville TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2022-04-17   
423-696 6 Rogersville TN KNVNTNEC6MD  516J TON80 COMMUNICATIONS, LLC 474   2022-04-04   
423-696 7 Rogersville TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2021-10-31   
423-696 8 Rogersville TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2021-10-31   
423-696 9 Rogersville TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2021-10-31   
423-697 A Chattanooga TN CHTGTNDTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-698 A Chattanooga TN CHTGTNDTDS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 472      
423-699 A Mountain City TN MTCYTN01W00  8945 NA COMMUNICATIONS, INC. 956      
423-701 A Robbins TN KNVLTNMA31Z  6278 UNITED STATES CELLULAR - TN 474      
423-701 0 Robbins TN KNVLTNMA31Z  6278 UNITED STATES CELLULAR - TN 474   2014-03-30   
423-701 1 Robbins TN KNVLTNMA31Z  6278 UNITED STATES CELLULAR - TN 474   2016-04-01   
423-702 A Chattanooga TN CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472      
423-702 0 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2010-04-04   
423-702 1 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2010-04-04   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 >>

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.