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.

Pittsburgh Suburban Zone 17, PA

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
412-318 A PITBPAMADS0  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-318 0   7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-318 1   7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-318 2   7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-318 3   7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-318 4   318J COMCAST IP PHONE, LLC 234      
412-318 5   002F BANDWIDTH.COM CLEC, LLC - PA 234   2016-07-22   
412-318 6   7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-318 7   7575 CENTURYLINK COMMUNICATIONS LLC 234   2015-06-18   
412-318 8   967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2013-05-05   
412-318 9   967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2013-05-05   
412-348 A PITBPACTDS0  4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-348 0   4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-348 1   4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-348 2   4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-348 3   4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-348 4   4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-348 5   4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-348 6   4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-348 7   3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-348 8   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2002-09-22   
412-348 9   4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-358 A PYVLPAPEDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-364 A PYVLPAPEDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-366 A PYVLPAPEDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-367 A PYVLPAPEDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-369 A PYVLPAPEDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-536 A   7978 INTERMEDIA COMMUNICATIONS INC. - PA 234      
412-536 0   752H BARR TELL USA, INC. - PA 234   2016-03-27   
412-536 1   7978 INTERMEDIA COMMUNICATIONS INC. - PA 234      
412-536 2   7421 AT&T LOCAL 234   2002-12-15   
412-536 3   318J COMCAST IP PHONE, LLC 234   2013-08-27   
412-536 4   967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2018-11-23   
412-536 5   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2006-01-08   
412-536 6   967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2019-12-31   
412-536 7   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2006-01-08   
412-536 8   7978 INTERMEDIA COMMUNICATIONS INC. - PA 234      
412-548 A   7341 XO COMMUNICATIONS SERVICES INC - PA 234      
412-548 0   7341 XO COMMUNICATIONS SERVICES INC - PA 234      
412-548 1   2514 US LEC OF PENNSYLVANIA, INC. 234   2002-07-23   
412-548 2   7237 TELCOVE OF PENNSYLVANIA, INC. - PA 234   2003-05-11   
412-548 3   318J COMCAST IP PHONE, LLC 234   2006-04-07   
412-548 4   7341 XO COMMUNICATIONS SERVICES INC - PA 234      
412-548 5   7341 XO COMMUNICATIONS SERVICES INC - PA 234      
412-548 6   002F BANDWIDTH.COM CLEC, LLC - PA 234   2019-05-27   
412-548 7   2765 LUMOS NETWORKS OF WEST VIRGINIA INC. - WV 234   2017-12-07   
412-548 8   073H TELNYX LLC 234   2017-07-06   
412-548 9   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-06-07   
412-630 A PYVLPAPEDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-635 A PYVLPAPEDS0  9208 VERIZON PENNSYLVANIA, INC. 234      

1 2 >>

Last updated: Sat, 31 Oct 2020 19:28:10 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.