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

<< 1 2 3 4 5 6 7 8 9 10 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
412-504 2 Pittsburgh Suburban Zone 13 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2007-04-07   
412-504 4 Pittsburgh Suburban Zone 13 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-505 A Pittsburgh Suburban Zone 14 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-505 0 Pittsburgh Suburban Zone 14 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-505 1 Pittsburgh Suburban Zone 14 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-505 2 Pittsburgh Suburban Zone 14 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-505 4 Pittsburgh Suburban Zone 14 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-505 5 Pittsburgh Suburban Zone 14 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2016-08-31   
412-505 6 Pittsburgh Suburban Zone 14 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-505 7 Pittsburgh Suburban Zone 14 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-505 9 Pittsburgh Suburban Zone 14 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-506 A Pittsburgh Suburban Zone 14 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-506 4 Pittsburgh Suburban Zone 14 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-507 A Pittsburgh Suburban Zone 15 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-507 2 Pittsburgh Suburban Zone 15 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-507 3 Pittsburgh Suburban Zone 15 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-507 5 Pittsburgh Suburban Zone 15 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-532 3 Pittsburgh Suburban Zone 11 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2007-04-05   
412-533 A Clairton PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-533 9 Clairton PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-534 A Pittsburgh Suburban Zone 16 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-534 9 Pittsburgh Suburban Zone 16 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-535 A Pittsburgh Zone 1 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-535 0 Pittsburgh Zone 1 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-535 4 Pittsburgh Zone 1 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-535 5 Pittsburgh Zone 1 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-535 6 Pittsburgh Zone 1 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-535 7 Pittsburgh Zone 1 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-535 8 Pittsburgh Zone 1 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-535 9 Pittsburgh Zone 1 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-536 A Pittsburgh Suburban Zone 17 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-536 1 Pittsburgh Suburban Zone 17 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-536 8 Pittsburgh Suburban Zone 17 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-540 A Pittsburgh Zone 4 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-540 2 Pittsburgh Zone 4 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2009-05-16   
412-540 3 Pittsburgh Zone 4 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2009-05-16   
412-543 3 Pittsburgh Suburban Zone 11 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2008-07-15   
412-545 A Pittsburgh Zone 4 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-545 8 Pittsburgh Zone 4 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2003-11-17   
412-545 9 Pittsburgh Zone 4 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-548 A Pittsburgh Suburban Zone 17 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-548 0 Pittsburgh Suburban Zone 17 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-548 4 Pittsburgh Suburban Zone 17 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-557 A Pittsburgh Suburban Zone 20 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-557 9 Pittsburgh Suburban Zone 20 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-564 2 Pittsburgh Suburban Zone 13 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2009-03-30   
412-564 9 Pittsburgh Suburban Zone 13 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2003-11-17   
412-573 8 Pittsburgh Suburban Zone 21 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2008-11-08   
412-575 6 Pittsburgh Zone 1 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-575 8 Pittsburgh Zone 1 PA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      

<< 1 2 3 4 5 6 7 8 9 10 >>

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.