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: KNVLTNMAY5X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
423-372 6 Jellico TN 073H TELNYX LLC 474      
423-456 A La Follette TN 073H TELNYX LLC 474      
423-456 0 La Follette TN 073H TELNYX LLC 474      
423-456 6 La Follette TN 073H TELNYX LLC 474      
423-546 1 Bulls Gap TN 073H TELNYX LLC 474      
423-604 1 Etowah TN 073H TELNYX LLC 474      
423-934 0 Surgoinsville TN 073H TELNYX LLC 474      
865-276 0 Oak Ridge TN 073H TELNYX LLC 474      
865-298 9 Oak Ridge TN 073H TELNYX LLC 474      
865-339 1 Powell TN 073H TELNYX LLC 474      
865-390 8 Lenoir City TN 073H TELNYX LLC 474      
865-855 1 Clinton TN 073H TELNYX LLC 474      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.