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
423-395 A Athens TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474      
423-395 0 Athens TN KNVLTNMAY8X  624H ONVOY SPECTRUM, LLC 474   2023-06-17   
423-395 1 Athens TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2023-09-09   
423-395 2 Athens TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2023-09-09   
423-395 3 Athens TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2023-10-02   
423-395 7 Athens TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2023-05-13   
423-395 8 Athens TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2023-01-07   
423-395 9 Athens TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2023-01-07   
423-396 A Collegedale TN CLDLTNXARS5  0574 CENTURYTEL OOLTEWAH-COLLEGEDALE DBA CENTURYLINK 472      
423-396 0 Collegedale TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2021-07-11   
423-396 1 Collegedale TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2021-05-22   
423-396 2 Collegedale TN CLDLTNXARS5  0574 CENTURYTEL OOLTEWAH-COLLEGEDALE DBA CENTURYLINK 472      
423-396 3 Collegedale TN CLDLTNXARS5  0574 CENTURYTEL OOLTEWAH-COLLEGEDALE DBA CENTURYLINK 472      
423-396 4 Collegedale TN CLDLTNXARS5  0574 CENTURYTEL OOLTEWAH-COLLEGEDALE DBA CENTURYLINK 472      
423-396 5 Collegedale TN CLDLTNXARS5  0574 CENTURYTEL OOLTEWAH-COLLEGEDALE DBA CENTURYLINK 472      
423-396 6 Collegedale TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2021-05-22   
423-396 7 Collegedale TN CLDLTNXARS5  0574 CENTURYTEL OOLTEWAH-COLLEGEDALE DBA CENTURYLINK 472      
423-396 8 Collegedale TN CLDLTNXARS5  0574 CENTURYTEL OOLTEWAH-COLLEGEDALE DBA CENTURYLINK 472      
423-396 9 Collegedale TN CLDLTNXARS5  0574 CENTURYTEL OOLTEWAH-COLLEGEDALE DBA CENTURYLINK 472      
423-397 A Benton TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472      
423-397 0 Benton TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2017-09-04   
423-397 1 Benton TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2017-09-04   
423-397 2 Benton TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2018-03-08   
423-397 3 Benton TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2018-05-28   
423-397 4 Benton TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2018-06-11   
423-397 5 Benton TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2019-05-12   
423-397 6 Benton TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2019-05-12   
423-397 7 Benton TN CHTGTNNSXFY  124F BANDWIDTH.COM CLEC, LLC - TN 472   2019-05-12   
423-397 8 Benton TN CHTGTNNSXKY  525E ONVOY, LLC - TN 472   2019-04-12   
423-397 9 Benton TN CHTGTNGZ4MD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2018-07-04   
423-398 A Kingsport TN JHCYTNXCX2Y  5562 METROPCS, INC. 956      
423-398 1 Kingsport TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2011-07-04   
423-398 3 Kingsport TN JHCYTNXCAMD  284E YMAX COMMUNICATIONS CORP. - TN 956   2011-08-03   
423-398 5 Kingsport TN BUVLTNAXPS1  704C CHARTER FIBERLINK-TENNESSEE, LLC - TN 956   2011-09-10   
423-398 6 Kingsport TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956   2015-06-14   
423-398 7 Kingsport TN JHCYTNXCX1Y  508J CENTURYLINK COMMUNICATIONS, LLC 956   2014-04-19   
423-398 9 Kingsport TN   8645 SUNCOM DBA T-MOBILE USA 956   2011-04-29   
423-399 A La Follette TN KNVLTNMA78Z  6630 USA MOBILITY WIRELESS, INC. 474      
423-400 A Chattanooga TN   7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-400 0 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-400 1 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-400 2 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-400 3 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-400 4 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-400 5 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-400 6 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-400 7 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-400 8 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-400 9 Chattanooga TN   7473 POWERTEL ATLANTA LICENSES, INC. 472      
423-401 A Soddy Daisy TN CHTGTNKF0MD  8356 US LEC OF TENNESSEE, INC. 472      

<< 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: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.