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.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
423-726 9 Midway (Sullivan) TN 525E ONVOY, LLC - TN 956   2023-09-16   
423-766 A Limestone TN 525E ONVOY, LLC - TN 956      
423-766 3 Limestone TN 525E ONVOY, LLC - TN 956   2021-07-10   
423-766 4 Limestone TN 525E ONVOY, LLC - TN 956   2021-07-10   
423-766 5 Limestone TN 525E ONVOY, LLC - TN 956   2023-09-09   
423-766 6 Limestone TN 525E ONVOY, LLC - TN 956   2021-03-24   
423-766 7 Limestone TN 525E ONVOY, LLC - TN 956   2021-03-24   
423-770 A Church Hill TN 525E ONVOY, LLC - TN 956      
423-770 0 Church Hill TN 525E ONVOY, LLC - TN 956   2021-03-15   
423-770 1 Church Hill TN 525E ONVOY, LLC - TN 956   2021-03-15   
423-770 3 Church Hill TN 525E ONVOY, LLC - TN 956   2023-09-09   
423-770 7 Church Hill TN 525E ONVOY, LLC - TN 956   2018-09-21   
423-770 8 Church Hill TN 525E ONVOY, LLC - TN 956   2018-09-21   
423-786 A Bluff City TN 525E ONVOY, LLC - TN 956      
423-786 2 Bluff City TN 525E ONVOY, LLC - TN 956   2023-10-14   
423-793 7 Bristol TN 525E ONVOY, LLC - TN 956   2018-06-16   
423-793 8 Bristol TN 525E ONVOY, LLC - TN 956   2019-06-06   
423-793 9 Bristol TN 525E ONVOY, LLC - TN 956   2019-06-06   
423-806 2 Midway (Washington) TN 525E ONVOY, LLC - TN 956   2018-06-09   
423-806 8 Midway (Washington) TN 525E ONVOY, LLC - TN 956   2019-06-06   
423-806 9 Midway (Washington) TN 525E ONVOY, LLC - TN 956   2019-06-06   
423-820 A Greeneville TN 525E ONVOY, LLC - TN 956      
423-820 0 Greeneville TN 525E ONVOY, LLC - TN 956   2019-06-06   
423-820 1 Greeneville TN 525E ONVOY, LLC - TN 956   2019-06-06   
423-820 2 Greeneville TN 525E ONVOY, LLC - TN 956   2021-07-10   
423-820 3 Greeneville TN 525E ONVOY, LLC - TN 956   2021-07-10   
423-820 4 Greeneville TN 525E ONVOY, LLC - TN 956   2022-12-27   
423-820 8 Greeneville TN 525E ONVOY, LLC - TN 956   2018-06-16   
423-824 A Erwin TN 525E ONVOY, LLC - TN 956      
423-824 2 Erwin TN 525E ONVOY, LLC - TN 956   2023-10-14   
423-830 A Kingsport TN 525E ONVOY, LLC - TN 956      
423-830 0 Kingsport TN 525E ONVOY, LLC - TN 956   2019-01-11   
423-830 1 Kingsport TN 525E ONVOY, LLC - TN 956   2019-01-11   
423-830 2 Kingsport TN 525E ONVOY, LLC - TN 956   2021-10-23   
423-830 4 Kingsport TN 525E ONVOY, LLC - TN 956   2021-07-10   
423-830 5 Kingsport TN 525E ONVOY, LLC - TN 956   2021-07-10   
423-830 6 Kingsport TN 525E ONVOY, LLC - TN 956   2023-08-11   
423-830 7 Kingsport TN 525E ONVOY, LLC - TN 956   2023-08-11   
423-830 8 Kingsport TN 525E ONVOY, LLC - TN 956   2018-06-16   
423-830 9 Kingsport TN 525E ONVOY, LLC - TN 956   2019-06-23   
423-831 2 Greeneville TN 525E ONVOY, LLC - TN 956   2023-08-11   
423-831 3 Greeneville TN 525E ONVOY, LLC - TN 956   2023-08-11   
423-831 4 Greeneville TN 525E ONVOY, LLC - TN 956   2023-08-11   
423-831 5 Greeneville TN 525E ONVOY, LLC - TN 956   2023-08-11   
423-831 6 Greeneville TN 525E ONVOY, LLC - TN 956   2023-08-11   
423-835 1 Bristol TN 525E ONVOY, LLC - TN 956   2023-05-21   
423-840 A Butler TN 525E ONVOY, LLC - TN 956      
423-840 5 Butler TN 525E ONVOY, LLC - TN 956   2021-05-22   
423-840 6 Butler TN 525E ONVOY, LLC - TN 956   2021-05-22   
423-840 7 Butler TN 525E ONVOY, LLC - TN 956   2019-06-06   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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