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: PITBPADTDMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
412-214 A Pittsburgh Zone 8 PA 218H WIDE VOICE, LLC - PA 234      
412-214 1 Pittsburgh Zone 8 PA 218H WIDE VOICE, LLC - PA 234   2016-03-12   
412-410 2 Pittsburgh Zone 1 PA 218H WIDE VOICE, LLC - PA 234   2016-05-20   
412-410 7 Pittsburgh Zone 1 PA 218H WIDE VOICE, LLC - PA 234   2016-05-20   
724-665 5 Belle Vernon PA 218H WIDE VOICE, LLC - PA 234   2016-05-20   
878-668 0 Enon Valley PA 218H WIDE VOICE, LLC - PA 234   2017-02-27   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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