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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-419 A Cumberland Gap TN DAVLKYMAX2X  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 466   2012-04-06   
423-419 0 Cumberland Gap TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 466      
423-419 5 Cumberland Gap TN   4806 LEVEL 3 COMMUNICATIONS, LLC - TN 466   2014-04-21   
423-419 6 Cumberland Gap TN   114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 466   2020-04-27   
423-419 9 Cumberland Gap TN   6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 466      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.