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: CHTGTN1212Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
423-203 A Chattanooga TN 490J DISH WIRELESS, LLC 472      
423-203 3 Chattanooga TN 490J DISH WIRELESS, LLC 472   2024-08-08   
423-203 4 Chattanooga TN 490J DISH WIRELESS, LLC 472   2024-07-29   
423-203 9 Chattanooga TN 490J DISH WIRELESS, LLC 472   2022-04-08   
423-679 2 Ooltewah TN 490J DISH WIRELESS, LLC 472   2024-07-31   
423-679 5 Ooltewah TN 490J DISH WIRELESS, LLC 472   2024-03-31   
423-769 3 Benton TN 490J DISH WIRELESS, LLC 472   2023-07-10   
423-898 1 Charleston TN 490J DISH WIRELESS, LLC 472   2024-07-08   
423-898 2 Charleston TN 490J DISH WIRELESS, LLC 472   2024-03-22   
762-295 4 Tennga GA 490J DISH WIRELESS, LLC 472   2023-12-06   
762-325 7 Rossville GA 490J DISH WIRELESS, LLC 472   2022-05-01   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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