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.

NPA: 423 [Rate centres in NPA 423] [Dial plan for NPA 423]

NXX: 466

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-466 A Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474      
423-466 0 Athens TN KNVLTNMAYBX  204G TWIN LAKES COMMUNICATIONS, INC. - TN 474   2019-10-07   
423-466 1 Athens TN KNVLTNMAYKX  515J IP HORIZON LLC 474   2020-11-01   
423-466 2 Athens TN KNVLTNWHX6X  5562 METROPCS, INC. 474   2021-05-07   
423-466 4 Athens TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-06-18   
423-466 5 Athens TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-01-11   
423-466 6 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2018-10-10   
423-466 7 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2018-10-10   
423-466 8 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2017-12-24   
423-466 9 Athens TN KNVLTNWHX6X  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2017-12-24   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.