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: PITBPADTXPX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
412-230 4 Pittsburgh Zone 1 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2012-09-01   
412-230 9 Pittsburgh Zone 1 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2013-06-26   
412-291 1 Pittsburgh Zone 1 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-346 5 Pittsburgh Suburban Zone 10 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2007-07-01   
412-360 7 Pittsburgh Zone 1 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2010-04-04   
412-368 9 Pittsburgh Zone 5 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2007-07-29   
412-386 2 Pittsburgh Suburban Zone 11 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2002-12-15   
412-402 9 Pittsburgh Zone 1 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2007-04-20   
412-409 A Pittsburgh Suburban Zone 12 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-409 9 Pittsburgh Suburban Zone 12 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-452 9 Pittsburgh Zone 1 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2008-10-06   
412-532 3 Pittsburgh Suburban Zone 11 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2007-04-05   
412-714 7 Pittsburgh Suburban Zone 11 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2013-03-17   
724-393 3 New Kensington PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2012-04-02   
724-703 1 Oakdale (Allegheny) PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2007-07-07   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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