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: WNCHKYMAXMY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
423-603 A Fork Ridge TN 516C AT&T CORP. 466      
502-325 A Sadieville KY 516C AT&T CORP. 466      
606-289 A Freeburn KY 516C AT&T CORP. 466      
606-357 A McDowell KY 516C AT&T CORP. 466      
859-349 A Perryville KY 516C AT&T CORP. 466      
859-423 A Mooresville KY 516C AT&T CORP. 466      
859-535 A Mackville KY 516C AT&T CORP. 466      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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