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: 298

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-298 A Chattanooga TN CHTGTNMATMD  7421 AT&T - LOCAL 472      
423-298 0 Chattanooga TN CHTGTNOXZMD  5562 METROPCS, INC. 472   2014-12-07   
423-298 1 Chattanooga TN CHTGTNOXZMD  5562 METROPCS, INC. 472   2003-12-08   
423-298 2 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2004-11-06   
423-298 3 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2004-11-06   
423-298 4 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2004-11-06   
423-298 5 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2005-01-01   
423-298 6 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2005-01-01   
423-298 7 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2005-01-01   
423-298 8 Chattanooga TN CHTGTN12X5Y  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 472   2005-01-01   
423-298 9 Chattanooga TN CHTGTNMATMD  7421 AT&T - LOCAL 472      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.