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 CHTGTNNS04Z  829J PAETEC ITEL, LLC 472   2024-12-05   
423-709 0 Cleveland TN   829J PAETEC ITEL, LLC 472      
423-709 1 Cleveland TN   829J PAETEC ITEL, LLC 472      
423-709 2 Cleveland TN   829J PAETEC ITEL, LLC 472      
423-709 3 Cleveland TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2025-04-07   
423-709 4 Cleveland TN   478J NUSO, LLC 472   2024-12-06   
423-709 5 Cleveland TN   478J NUSO, LLC 472   2024-12-06   
423-709 6 Cleveland TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2024-12-24   
423-709 7 Cleveland TN   829J PAETEC ITEL, LLC 472      
423-709 8 Cleveland TN   4806 LEVEL 3 COMMUNICATIONS, LLC - TN 472   2005-02-10   
423-709 9 Cleveland TN   2757 CENTURYLINK COMMUNICATIONS LLC - TN 472   2003-08-18   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.