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: 709

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-709 A Cleveland TN CHTGTNKF0MD  4622 DELTACOM, INC. - TN 472      
423-709 0 Cleveland TN CHTGTNKF0MD  4622 DELTACOM, INC. - TN 472      
423-709 1 Cleveland TN CHTGTNKF0MD  4622 DELTACOM, INC. - TN 472      
423-709 2 Cleveland TN CHTGTNKF0MD  4622 DELTACOM, INC. - TN 472      
423-709 7 Cleveland TN CHTGTNKF0MD  4622 DELTACOM, INC. - TN 472      
423-709 8 Cleveland TN CHTGTNNSX8X  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2005-02-10   
423-709 9 Cleveland TN CHTGTN78DS0  2757 CENTURYLINK COMMUNICATIONS LLC - TN 472   2003-08-18   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.