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: PITBPADGDS7

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
412-214 5 Pittsburgh Zone 8 PA 7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234   2017-02-13   
412-904 A Pittsburgh Zone 1 PA 7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-904 0 Pittsburgh Zone 1 PA 7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-904 9 Pittsburgh Zone 1 PA 7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
724-421 2 Slippery Rock PA 7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234   2003-06-01   
724-712 2 Butler PA 7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234   2012-02-03   
724-790 A Bessemer PA 7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
724-790 9 Bessemer PA 7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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