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: CHTGTN12X8X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
423-241 4 Copper Basin TN 7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 472      
423-301 A South Pittsburg TN 7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 472      
423-301 3 South Pittsburg TN 7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 472      
423-414 3 Chattanooga TN 7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 472      
423-417 A Chattanooga TN 7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 472      
423-417 3 Chattanooga TN 7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 472      
423-535 A Chattanooga TN 7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 472      
423-535 9 Chattanooga TN 7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 472      
423-591 6 Chattanooga TN 7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 472      
423-594 3 Dayton TN 7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 472      
423-651 3 Jasper TN 7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 472      
423-708 6 Chattanooga TN 7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 472      
423-790 3 Cleveland TN 7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 472      
423-800 7 Chattanooga TN 7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 472      
706-944 A Rossville GA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 472      
706-944 9 Rossville GA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 472      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.