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Pittsburgh Zone 4, PA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
412-540 A   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-540 0 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2015-10-15   
412-540 1 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2015-10-15   
412-540 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2009-05-16   
412-540 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2009-05-16   
412-540 4 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2013-11-22   
412-540 5 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2010-02-27   
412-540 6 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2015-10-15   
412-540 7 BTLRPAXBLMD  508J CENTURYLINK COMMUNICATIONS, LLC 234   2015-06-20   
412-540 8 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2015-10-15   
412-540 9 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2015-10-15   
412-545 A   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-545 0 PITBPAOKXUX  145J TERRA NOVA TELECOM INC. 234   2024-02-13   
412-545 1 PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2013-05-05   
412-545 2 PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234   2015-08-20   
412-545 3 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2014-09-13   
412-545 4 PITBPAWY2MD  5562 METROPCS, INC. 234   2013-11-15   
412-545 5 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2016-07-21   
412-545 6 PITBPADTXYY  547E ONVOY, LLC - PA 234   2014-11-27   
412-545 7 PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2013-05-05   
412-545 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2003-11-17   
412-545 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-636 A BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-636 0 BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-636 1 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2014-09-20   
412-636 2 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2014-09-20   
412-636 3 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2009-05-12   
412-636 4 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2009-05-12   
412-636 6 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2009-04-22   
412-636 7 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2009-04-22   
412-636 8 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2014-09-20   
412-636 9 BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-723 A PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
412-723 0 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
412-723 1 PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234   2009-04-28   
412-723 2 PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234   2009-04-28   
412-723 3   829J PAETEC ITEL, LLC 234   2007-08-23   
412-723 4   829J PAETEC ITEL, LLC 234   2007-08-23   
412-723 5   829J PAETEC ITEL, LLC 234   2010-05-28   
412-723 6   829J PAETEC ITEL, LLC 234   2012-02-26   
412-723 7 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2014-09-20   
412-723 8 PITBPADTXYY  547E ONVOY, LLC - PA 234   2014-11-27   
412-727 A PITBPADGDS6  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-727 0 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2019-07-18   
412-727 1 PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234      
412-727 2 PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234      
412-727 3   3806 CORE COMMUNICATIONS, INC. - PA 234   2019-03-27   
412-727 4 PITBPAWY2MD  5562 METROPCS, INC. 234   2014-10-20   
412-727 5 PITBPAOKX5X  752H BARR TELL USA, INC. - PA 234   2016-03-27   
412-727 6 PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234   2006-06-02   

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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