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.

Switch: CHTITNCDDS0

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
423-771 0 Chattanooga TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2011-07-08   
423-771 4 Chattanooga TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2010-08-02   
423-777 4 Chattanooga TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2015-05-11   
423-777 5 Chattanooga TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2015-05-11   
423-800 0 Chattanooga TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2011-10-27   
423-803 A Chattanooga TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472      
423-803 0 Chattanooga TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2016-05-26   
423-803 1 Chattanooga TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2016-02-25   
423-803 2 Chattanooga TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2016-02-25   
423-803 4 Chattanooga TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2016-03-10   
423-803 5 Chattanooga TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2016-05-26   
423-803 6 Chattanooga TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2016-03-10   
423-803 9 Chattanooga TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2016-05-26   
423-805 2 Chattanooga TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2013-09-19   
423-805 3 Chattanooga TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2013-09-19   
423-805 4 Chattanooga TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2014-01-08   
423-805 7 Chattanooga TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2014-01-08   
423-810 2 Charleston TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2020-02-24   
423-825 4 Chattanooga TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2011-10-28   
423-826 8 Chattanooga TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2006-03-31   
423-847 4 Chattanooga TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2007-05-01   
423-939 6 Jasper TN 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2020-02-24   
706-450 1 Rossville GA 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2020-04-04   
706-841 1 Rossville GA 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2010-12-30   
706-841 2 Rossville GA 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2010-12-30   
706-841 4 Rossville GA 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2017-04-30   
706-841 5 Rossville GA 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2017-04-30   
706-841 6 Rossville GA 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2020-04-04   
706-841 7 Rossville GA 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2014-11-28   
706-916 9 Tennga GA 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2020-02-27   
762-422 7 McCaysville GA 4645 ELECTRIC POWER BOARD OF CHATTANOOGA 472   2020-02-27   

<< 1 2

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.