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: CHTGTNNSXJZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
256-608 3 Stevenson AL 073H TELNYX LLC 472   2020-05-03   
256-670 8 Bridgeport AL 073H TELNYX LLC 472   2020-04-15   
423-216 9 Benton TN 073H TELNYX LLC 472   2021-01-17   
423-219 0 Charleston TN 073H TELNYX LLC 472   2021-01-17   
423-219 1 Charleston TN 073H TELNYX LLC 472   2022-09-05   
423-219 9 Charleston TN 073H TELNYX LLC 472   2021-12-02   
423-250 7 Cleveland TN 073H TELNYX LLC 472   2021-01-17   
423-407 0 Spring City TN 073H TELNYX LLC 472   2021-01-23   
423-515 0 South Pittsburg TN 073H TELNYX LLC 472   2021-01-23   
423-565 2 Decatur TN 073H TELNYX LLC 472   2021-01-23   
423-567 9 Dayton TN 073H TELNYX LLC 472   2021-01-23   
423-589 2 Georgetown TN 073H TELNYX LLC 472   2021-01-23   
423-597 9 Benton TN 073H TELNYX LLC 472   2021-12-02   
423-633 A Chattanooga TN 073H TELNYX LLC 472      
423-633 1 Chattanooga TN 073H TELNYX LLC 472   2020-02-07   
423-644 0 Soddy Daisy TN 073H TELNYX LLC 472   2021-01-23   
423-659 0 Copper Basin TN 073H TELNYX LLC 472   2021-01-17   
423-810 4 Charleston TN 073H TELNYX LLC 472   2023-01-27   
423-955 0 Whitwell TN 073H TELNYX LLC 472   2021-01-23   
706-620 8 La Fayette GA 073H TELNYX LLC 472   2020-06-27   
706-620 9 La Fayette GA 073H TELNYX LLC 472   2021-03-12   
706-916 0 Tennga GA 073H TELNYX LLC 472   2020-06-27   
706-956 9 Rossville GA 073H TELNYX LLC 472   2020-06-27   
762-422 1 McCaysville GA 073H TELNYX LLC 472   2020-06-27   
828-662 4 Liberty (Cherokee) NC 073H TELNYX LLC 472   2020-10-18   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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