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 Zone 5, PA

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
412-205 A PITBPAMADS0  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-205 0 PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-07-05   
412-205 1 PITBPAMADS0  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-205 3 PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234      
412-205 5   829J PAETEC ITEL, LLC 234   2001-12-10   
412-205 6 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2008-05-16   
412-205 8 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2011-09-26   
412-326 A   829J PAETEC ITEL, LLC 234   2025-03-04   
412-326 0   829J PAETEC ITEL, LLC 234      
412-326 1   829J PAETEC ITEL, LLC 234      
412-326 2   829J PAETEC ITEL, LLC 234      
412-326 3   3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-326 5 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2008-01-10   
412-326 6   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-10-24   
412-326 7 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2008-09-25   
412-326 8 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2009-05-12   
412-326 9 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2008-12-19   
412-368 A PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
412-368 0 PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2013-05-05   
412-368 1 PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-04-12   
412-368 2 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2013-06-14   
412-368 3 PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234   2008-07-15   
412-368 4 GIBSPAXGDS1  8597 CONSOLIDATED COMMUNICATIONS ENTERPRISE SERVICES-PA 234   2002-11-17   
412-368 5 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2005-09-12   
412-368 6 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2014-07-19   
412-368 7 PITBPAMADS4  657B CITYNET PENNSYLVANIA, LLC - PA 234   2004-10-10   
412-368 8 PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234   2008-12-13   
412-368 9 PITBPADTXPX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2007-07-29   
412-399 A PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
412-399 0 PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2013-05-05   
412-399 5 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
412-399 6 PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2022-02-10   
412-399 7 PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2021-12-09   
412-399 8 PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2021-12-09   
412-401 A PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-401 0 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-401 1 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-401 2 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-401 3 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-401 4 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-401 5 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-401 6 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-401 7 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-401 8 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-401 9 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-414 A PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-414 0 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-414 1 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-414 2 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-414 3 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-414 4 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-414 5 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-414 6 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-414 7 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-414 8 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-414 9 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-425 A PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-425 0 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2009-04-06   
412-425 1 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-425 2 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2009-04-06   
412-425 3   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-06-07   
412-425 4 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2009-05-12   
412-425 5 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-425 6   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-06-07   
412-425 7   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-06-07   
412-425 9 PITBPAWY2MD  5562 METROPCS, INC. 234      
412-448 A PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-448 0   515J IP HORIZON LLC 234   2015-03-28   
412-448 1 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-448 2 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2016-07-22   
412-448 3   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-10-24   
412-448 4   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-10-24   
412-448 6 WASHPAWAHPT  2765 LUMOS NETWORKS OF WEST VIRGINIA INC. - WV 234   2018-12-09   
412-448 7   515J IP HORIZON LLC 234   2020-05-23   
412-448 8 PITBPADTXYY  547E ONVOY, LLC - PA 234   2019-01-06   
412-448 9 PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-03-03   
412-451 A PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-451 0   515J IP HORIZON LLC 234   2016-05-21   
412-451 1 PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-06-07   
412-451 2 PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2022-02-10   
412-451 3 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2021-09-30   
412-451 4 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2021-09-30   
412-451 5 PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2021-05-20   
412-451 6 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2021-09-30   
412-451 7 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2021-09-30   
412-451 8 PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234   2003-11-17   
412-461 A HMSTPAHODS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-462 A HMSTPAHODS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-464 A HMSTPAHODS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-464 0 HMSTPAHODS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-464 1 HMSTPAHODS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-464 2 HMSTPAHODS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-464 3 HMSTPAHODS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-464 4 HMSTPAHODS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-464 5 HMSTPAHODS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-464 6 HMSTPAHODS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-464 7 HMSTPAHODS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-464 8 PITBPADTXYY  547E ONVOY, LLC - PA 234   2019-01-06   
412-464 9 HMSTPAHODS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-476 A HMSTPAHODS0  9208 VERIZON PENNSYLVANIA, INC. 234      

1 2 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.