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 10, PA

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
412-267 A PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
412-267 0 PITBPADTXYY  547E ONVOY, LLC - PA 234   2019-01-06   
412-267 1 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
412-267 2 PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234   2016-12-01   
412-267 3 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
412-267 4   3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-267 5   829J PAETEC ITEL, LLC 234   2002-08-05   
412-267 6 WMFLPAWMDS0  9208 VERIZON PENNSYLVANIA, INC. 234   2006-04-07   
412-267 7 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2008-12-19   
412-267 8 PITBPADGDS6  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234   2002-02-11   
412-267 9 PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-03-09   
412-314 A PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-03-05   
412-314 0 PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-04-26   
412-314 1 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2016-07-17   
412-314 2 PITBPADTXYY  547E ONVOY, LLC - PA 234   2016-04-07   
412-314 3 PITBPADTXYY  547E ONVOY, LLC - PA 234   2016-04-07   
412-314 4 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2017-06-12   
412-314 5 PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-07-05   
412-314 8 PITBPADTXYY  547E ONVOY, LLC - PA 234   2018-09-13   
412-314 9   515J IP HORIZON LLC 234   2016-05-21   
412-346 A   829J PAETEC ITEL, LLC 234   2025-03-04   
412-346 0   829J PAETEC ITEL, LLC 234      
412-346 1 PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234   2009-08-06   
412-346 2   829J PAETEC ITEL, LLC 234      
412-346 3 PITBPAMADS4  657B CITYNET PENNSYLVANIA, LLC - PA 234   2004-10-10   
412-346 4 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2011-12-30   
412-346 5 PITBPADTXPX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2007-07-01   
412-346 6 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2010-06-24   
412-346 7 PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234   2002-09-25   
412-346 8 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2012-10-14   
412-346 9   829J PAETEC ITEL, LLC 234      
412-385 A PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-385 0 PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2019-12-31   
412-385 2 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2014-04-14   
412-385 3 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2010-02-27   
412-385 4 PITBPADTXYY  547E ONVOY, LLC - PA 234   2012-02-10   
412-385 5 PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-385 6 PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2020-04-30   
412-385 7 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2014-09-12   
412-385 8 PITBPADTXYY  547E ONVOY, LLC - PA 234   2020-06-06   
412-385 9 PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-460 A WMFLPAWMDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-460 0 WMFLPAWMDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-460 1 WMFLPAWMDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-460 2 PITBPADTXYY  547E ONVOY, LLC - PA 234   2020-06-06   
412-460 3 PITBPADTXYY  547E ONVOY, LLC - PA 234   2020-06-06   
412-460 4 PITBPADTXYY  547E ONVOY, LLC - PA 234   2013-12-07   
412-460 5 PITBPADTXYY  547E ONVOY, LLC - PA 234   2020-06-14   
412-460 6 WMFLPAWMDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-460 7   829J PAETEC ITEL, LLC 234   2008-11-06   
412-460 8 WMFLPAWMDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-460 9 PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2020-06-28   
412-465 A PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234      
412-465 0 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2008-08-15   
412-465 1 PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2013-05-05   
412-465 2 PITBPAWY2MD  5562 METROPCS, INC. 234   2016-12-17   
412-465 3 PITBPADTXYY  547E ONVOY, LLC - PA 234   2015-01-07   
412-465 4 PITBPAWY2MD  5562 METROPCS, INC. 234   2014-07-09   
412-465 5 PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234   2014-03-10   
412-465 6 PITBPADTXYY  547E ONVOY, LLC - PA 234   2015-01-07   
412-465 7   515J IP HORIZON LLC 234   2013-08-29   
412-465 9 PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2013-05-05   
412-466 A WMFLPAWMDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-469 A WMFLPAWMDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-483 A PITBPADTX7X  073H TELNYX LLC 234      
412-483 0 PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-06-07   
412-483 1 PITBPADTX7X  073H TELNYX LLC 234   2017-06-04   
412-542 A PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
412-542 1 PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
412-542 3 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
412-542 4 PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
412-542 6 PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2021-05-20   
412-542 7 PITBPAOKXLX  939H COMMIO, LLC 234   2021-09-03   
412-542 8 PITEPA99DS0  283E YMAX COMMUNICATIONS CORP. - PA 234   2008-03-30   
412-664 A MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-664 0 MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-664 1 MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-664 2 MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-664 3 MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-664 4 MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-664 5 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2020-05-02   
412-664 6 MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-664 7 MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-664 8 MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-664 9 MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-672 A MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-673 A MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-675 A MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-675 0 MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-675 1 PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234   2020-03-12   
412-675 2 MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-675 3 MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-675 4 WASHPAWAHPT  2765 LUMOS NETWORKS OF WEST VIRGINIA INC. - WV 234   2018-12-09   
412-675 5 MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-675 6 MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-675 7 MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-675 8 MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-675 9 MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-678 A MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-703 A PITBPAMAGMD  732J NUSO, LLC 234      

1 2 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.