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: CLMBOH11XJZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
220-268 A Woodsfield OH 516C AT&T CORP. 324   2024-09-16   
614-742 A Hilliard OH 516C AT&T CORP. 324      
614-862 A Canal Winchester OH 516C AT&T CORP. 324      
614-867 A Columbus OH 516C AT&T CORP. 324      
614-971 A Hilliard OH 516C AT&T CORP. 324      
740-609 A Martins Ferry OH 516C AT&T CORP. 324      
740-613 A Bloomingburg OH 516C AT&T CORP. 324      
740-800 A Carroll OH 516C AT&T CORP. 324      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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