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 3, PA

1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
412-252 A PITBPAMADS0  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-252 0 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2016-05-11   
412-252 1 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2016-05-11   
412-252 2 PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234      
412-252 3 PITBPAMADS0  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-252 4 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2016-05-11   
412-252 5 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2016-05-11   
412-252 6 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2016-05-11   
412-252 7 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2016-05-11   
412-252 8 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2016-05-11   
412-252 9 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2016-05-11   
412-282 A PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
412-282 0 PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
412-282 1 PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
412-282 2 PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
412-282 3 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2017-11-25   
412-282 4 PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
412-282 5 PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
412-282 7 PITBPADTXYY  547E ONVOY, LLC - PA 234   2023-03-02   
412-282 8 PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234   2010-07-18   
412-282 9 PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
412-407 A PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-407 0 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2012-11-07   
412-407 1   967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2024-03-02   
412-407 2 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2011-09-26   
412-407 3 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2012-07-05   
412-407 4 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2005-09-12   
412-407 5 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2013-11-22   
412-407 6 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2015-08-15   
412-407 7 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2008-12-19   
412-407 8 PITBPADTXYY  547E ONVOY, LLC - PA 234   2016-03-14   
412-407 9 PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-408 A PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-408 0 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2016-02-24   
412-408 1   3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-408 2 PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234   2007-03-04   
412-408 3 PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234   2007-02-23   
412-408 4 PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234   2014-11-28   
412-408 5 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2016-02-24   
412-408 6 PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-408 7 BTLRPAXBLMD  508J CENTURYLINK COMMUNICATIONS, LLC 234   2015-06-18   
412-408 8 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2016-02-24   
412-408 9 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2016-02-24   
412-449 A PITBPACTBMD  4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-449 0 PITBPACTBMD  4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-449 1 PITBPACTBMD  4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-449 2   515J IP HORIZON LLC 234   2013-04-29   
412-449 3 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2016-02-24   
412-449 4 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2016-02-24   
412-449 5 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2016-02-24   

1 2 3 4 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.