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]

NXX: 405

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-405 A Athens TN   7476 POWERTEL NASHVILLE LICENSES, INC. 474      
423-405 0 Athens TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2011-09-17   
423-405 1 Athens TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2016-03-14   
423-405 2 Athens TN   7476 POWERTEL NASHVILLE LICENSES, INC. 474   2011-12-01   
423-405 3 Athens TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2015-03-06   
423-405 4 Athens TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2014-10-19   
423-405 5 Athens TN KNVLTNMAYHX  318J COMCAST IP PHONE, LLC 474   2014-07-08   
423-405 6 Athens TN KNVLTNMA54Z  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 474   2014-02-14   
423-405 7 Athens TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2014-12-01   
423-405 8 Athens TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2014-12-18   
423-405 9 Athens TN   7476 POWERTEL NASHVILLE LICENSES, INC. 474   2011-05-28   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.