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 14, PA

1 2 3 4 5 6 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
412-200 A PITBPADGDS2  7421 AT&T - LOCAL 234      
412-200 0 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2006-06-24   
412-200 1   3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-200 2 PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234   2004-05-15   
412-200 3 PITBPADGDS2  7421 AT&T - LOCAL 234      
412-200 4 PITBPADGDS2  7421 AT&T - LOCAL 234      
412-200 5 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2005-12-23   
412-200 6 PITBPADGDS2  7421 AT&T - LOCAL 234      
412-200 7 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2005-12-23   
412-200 8 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2006-01-13   
412-200 9 PITBPADGDS2  7421 AT&T - LOCAL 234      
412-218 A PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-218 0 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2014-04-17   
412-218 1 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2014-07-20   
412-218 2 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2014-09-12   
412-218 3 PITBPADTXYY  547E ONVOY, LLC - PA 234   2014-09-29   
412-218 4 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2014-09-20   
412-218 5 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2014-09-20   
412-218 6 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2014-09-20   
412-218 7 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2014-09-20   
412-218 8 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2014-01-10   
412-218 9 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2014-01-10   
412-248 A PITBPAYT1MD  7820 FULL SERVICE NETWORK LP 234      
412-249 A PITBPAMADS0  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-249 0 PITBPAMADS0  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-249 1 PITBPAMADS0  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-249 2 PITBPAMADS0  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-249 3 PITBPAMADS0  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-249 4 PITBPAMADS0  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-249 5 PITBPAMADS0  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-249 6 PITBPAMADS0  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-249 7 PITBPAMADS0  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-249 8 PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234      
412-249 9 PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234   2011-04-01   
412-270 A PYVLPAPB2MD  6630 USA MOBILITY WIRELESS, INC. 234      
412-272 A PYVLPAPB2MD  6630 USA MOBILITY WIRELESS, INC. 234      
412-275 A PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234      
412-275 0 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2013-03-03   
412-275 1   515J IP HORIZON LLC 234   2013-04-29   
412-275 2 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2011-10-18   
412-275 3 PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234   2011-10-17   
412-275 4 PITBPADTXYY  547E ONVOY, LLC - PA 234   2013-12-07   
412-275 5 PITBPADTXYY  547E ONVOY, LLC - PA 234   2012-02-10   
412-275 6 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2012-06-10   
412-275 7 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2013-02-22   
412-275 8 PITBPADTXEY  2514 US LEC OF PENNSYLVANIA, INC. 234   2012-12-21   
412-275 9 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2013-01-25   
412-276 A CARNPACARP0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-278 A CARNPACARP0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-278 0 CARNPACARP0  9208 VERIZON PENNSYLVANIA, INC. 234      

1 2 3 4 5 6 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.