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: 683

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-683 A Pikeville TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472      
423-683 4 Pikeville TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2026-05-09   
423-683 5 Pikeville TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2026-05-09   
423-683 6 Pikeville TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2026-05-09   
423-683 7 Pikeville TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2026-05-09   
423-683 8 Pikeville TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2026-05-09   
423-683 9 Pikeville TN   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 472   2026-05-09   

Last updated: Fri, 10 Jul 2026 02:55:48 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.