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Pittsburgh Zone 4, PA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
412-241 A WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-242 A WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-243 A WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-244 A WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-247 A WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-247 0 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-247 1 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-247 2 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-247 3 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-247 4 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-247 5 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-247 6 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-247 7 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-247 8   515J IP HORIZON LLC 234   2016-05-21   
412-247 9 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 A WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 0 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 1 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 2 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 3 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 4   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-06-07   
412-256 5 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 6 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 7   3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-256 8 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2008-12-19   
412-256 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234   2002-09-15   
412-271 A BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-273 A BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-273 0 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2009-04-06   
412-273 1 BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-273 2 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2009-04-06   
412-273 3 BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-273 4 BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-273 5 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2008-09-30   
412-273 6 BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-273 7 BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-273 8 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2008-12-10   
412-273 9 BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-336 A   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2025-04-25   
412-336 2 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
412-336 3 PITBPADTXYY  547E ONVOY, LLC - PA 234   2017-12-28   
412-336 6 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2021-05-10   
412-336 7 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2021-05-10   
412-336 8 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2010-06-24   
412-342 A   829J PAETEC ITEL, LLC 234   2025-03-04   
412-342 0   829J PAETEC ITEL, LLC 234      
412-342 1   829J PAETEC ITEL, LLC 234      
412-342 2   829J PAETEC ITEL, LLC 234      
412-342 3 PITBPAMADS4  657B CITYNET PENNSYLVANIA, LLC - PA 234   2004-10-10   
412-342 4   829J PAETEC ITEL, LLC 234      
412-342 5 PITEPA99DS0  283E YMAX COMMUNICATIONS CORP. - PA 234   2008-03-30   
412-342 6 GIBSPAXGDS1  8597 CONSOLIDATED COMMUNICATIONS ENTERPRISE SERVICES-PA 234   2008-07-19   
412-342 7 PITBPADTXDX  197D VONAGE AMERICA LLC 234   2022-10-07   
412-342 8 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2012-01-01   
412-342 9   829J PAETEC ITEL, LLC 234      
412-351 A BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-351 0 BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-351 1 BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-351 2 BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-351 3 BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-351 4 BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-351 5 BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-351 6 BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-351 7 BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-351 8 BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-351 9 PITBPADTX7X  073H TELNYX LLC 234   2017-07-03   
412-371 A WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-436 A   829J PAETEC ITEL, LLC 234   2025-03-04   
412-436 0   829J PAETEC ITEL, LLC 234   2003-02-12   
412-436 1   829J PAETEC ITEL, LLC 234   2002-07-02   
412-436 2 GIBSPAXGDS1  8597 CONSOLIDATED COMMUNICATIONS ENTERPRISE SERVICES-PA 234   2003-06-17   
412-436 3 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2005-01-14   
412-436 4 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2003-01-12   
412-436 5 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2005-01-25   
412-436 6 PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2008-01-10   
412-436 7   515J IP HORIZON LLC 234   2020-05-23   
412-436 8   515J IP HORIZON LLC 234   2020-05-23   
412-436 9 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2013-06-15   
412-473 A WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-473 0 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-473 1 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-473 2 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-473 3 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-473 4 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-473 5 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-473 6 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-473 7 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-473 8 WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-473 9   515J IP HORIZON LLC 234   2013-08-29   
412-501 A   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-501 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-501 1 PITBPAWY2MD  5562 METROPCS, INC. 234   2017-03-06   
412-501 2 PITBPADTXYY  547E ONVOY, LLC - PA 234   2016-04-07   
412-501 3 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2012-09-14   
412-501 4 PITBPADTXYY  547E ONVOY, LLC - PA 234   2016-04-07   
412-501 5 PITBPAOKBMD  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234   2012-02-27   
412-501 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-501 7 PITBPAWY2MD  5562 METROPCS, INC. 234   2014-12-10   
412-501 8 PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-07-08   
412-501 9 PITBPADTXYY  547E ONVOY, LLC - PA 234   2020-08-17   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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