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: 385

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-385 A Chattanooga TN CHTGTNKF0MD  8356 US LEC OF TENNESSEE, INC. 472      
423-385 0 Chattanooga TN   7473 POWERTEL ATLANTA LICENSES, INC. 472   2006-11-17   
423-385 1 Chattanooga TN CHTGTNKF0MD  8356 US LEC OF TENNESSEE, INC. 472      
423-385 2 Chattanooga TN CHTGTNKF0MD  8356 US LEC OF TENNESSEE, INC. 472      
423-385 3 Chattanooga TN CHTGTNKF0MD  8356 US LEC OF TENNESSEE, INC. 472      
423-385 4 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2006-04-15   
423-385 5 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2006-04-15   
423-385 7 Chattanooga TN CHTGTNKF0MD  8356 US LEC OF TENNESSEE, INC. 472      
423-385 8 Chattanooga TN CHTGTNNSXRZ  318J COMCAST IP PHONE, LLC 472   2013-08-12   
423-385 9 Chattanooga TN   7473 POWERTEL ATLANTA LICENSES, INC. 472   2006-08-05   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.