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: KNVLTNMA49Z

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
865-409 5 Knoxville TN 525E ONVOY, LLC - TN 474   2015-04-06   
865-412 2 Gatlinburg TN 525E ONVOY, LLC - TN 474   2016-06-08   
865-412 3 Gatlinburg TN 525E ONVOY, LLC - TN 474   2016-06-08   
865-412 4 Gatlinburg TN 525E ONVOY, LLC - TN 474   2018-03-31   
865-412 7 Gatlinburg TN 525E ONVOY, LLC - TN 474   2016-03-28   
865-412 8 Gatlinburg TN 525E ONVOY, LLC - TN 474   2016-03-28   
865-413 1 Chestnut Hill TN 525E ONVOY, LLC - TN 474   2016-03-10   
865-413 2 Chestnut Hill TN 525E ONVOY, LLC - TN 474   2019-03-28   
865-413 3 Chestnut Hill TN 525E ONVOY, LLC - TN 474   2016-06-07   
865-413 4 Chestnut Hill TN 525E ONVOY, LLC - TN 474   2016-06-07   
865-413 5 Chestnut Hill TN 525E ONVOY, LLC - TN 474   2021-03-19   
865-413 7 Chestnut Hill TN 525E ONVOY, LLC - TN 474   2016-04-09   
865-413 8 Chestnut Hill TN 525E ONVOY, LLC - TN 474   2016-04-09   
865-415 4 Knoxville TN 525E ONVOY, LLC - TN 474   2015-06-12   
865-415 5 Knoxville TN 525E ONVOY, LLC - TN 474   2015-06-12   
865-415 6 Knoxville TN 525E ONVOY, LLC - TN 474   2015-06-12   
865-417 3 Gatlinburg TN 525E ONVOY, LLC - TN 474   2022-12-23   
865-417 9 Gatlinburg TN 525E ONVOY, LLC - TN 474   2023-09-16   
865-419 3 Rockwood TN 525E ONVOY, LLC - TN 474   2016-03-28   
865-419 4 Rockwood TN 525E ONVOY, LLC - TN 474   2016-03-28   
865-419 5 Rockwood TN 525E ONVOY, LLC - TN 474   2016-06-09   
865-419 6 Rockwood TN 525E ONVOY, LLC - TN 474   2016-06-09   
865-419 7 Rockwood TN 525E ONVOY, LLC - TN 474   2021-04-20   
865-419 9 Rockwood TN 525E ONVOY, LLC - TN 474   2021-04-20   
865-420 2 Mascot TN 525E ONVOY, LLC - TN 474   2023-08-11   
865-420 3 Mascot TN 525E ONVOY, LLC - TN 474   2023-08-11   
865-420 4 Mascot TN 525E ONVOY, LLC - TN 474   2023-08-11   
865-420 5 Mascot TN 525E ONVOY, LLC - TN 474   2023-08-11   
865-420 6 Mascot TN 525E ONVOY, LLC - TN 474   2023-08-11   
865-420 7 Mascot TN 525E ONVOY, LLC - TN 474   2024-06-08   
865-420 9 Mascot TN 525E ONVOY, LLC - TN 474   2023-09-08   
865-421 4 Maryville TN 525E ONVOY, LLC - TN 474   2022-12-31   
865-421 5 Maryville TN 525E ONVOY, LLC - TN 474   2022-12-31   
865-421 6 Maryville TN 525E ONVOY, LLC - TN 474   2022-12-31   
865-421 7 Maryville TN 525E ONVOY, LLC - TN 474   2022-12-31   
865-424 1 Greenback TN 525E ONVOY, LLC - TN 474   2016-03-31   
865-424 2 Greenback TN 525E ONVOY, LLC - TN 474   2016-03-31   
865-424 3 Greenback TN 525E ONVOY, LLC - TN 474   2018-09-26   
865-424 4 Greenback TN 525E ONVOY, LLC - TN 474   2018-09-26   
865-424 6 Greenback TN 525E ONVOY, LLC - TN 474   2021-03-19   
865-424 7 Greenback TN 525E ONVOY, LLC - TN 474   2021-03-19   
865-424 8 Greenback TN 525E ONVOY, LLC - TN 474   2019-01-11   
865-424 9 Greenback TN 525E ONVOY, LLC - TN 474   2019-01-11   
865-426 1 Lake City TN 525E ONVOY, LLC - TN 474   2016-04-18   
865-427 2 Knoxville TN 525E ONVOY, LLC - TN 474   2023-02-04   
865-427 3 Knoxville TN 525E ONVOY, LLC - TN 474   2023-02-04   
865-427 4 Knoxville TN 525E ONVOY, LLC - TN 474   2023-03-09   
865-427 5 Knoxville TN 525E ONVOY, LLC - TN 474   2023-03-09   
865-427 6 Knoxville TN 525E ONVOY, LLC - TN 474   2023-05-13   
865-427 8 Knoxville TN 525E ONVOY, LLC - TN 474   2023-08-14   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.