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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   9208 VERIZON PENNSYLVANIA, INC. 234      
412-247 1   9208 VERIZON PENNSYLVANIA, INC. 234      
412-247 2   9208 VERIZON PENNSYLVANIA, INC. 234      
412-247 3   9208 VERIZON PENNSYLVANIA, INC. 234      
412-247 4   9208 VERIZON PENNSYLVANIA, INC. 234      
412-247 5   9208 VERIZON PENNSYLVANIA, INC. 234      
412-247 6   9208 VERIZON PENNSYLVANIA, INC. 234      
412-247 7   9208 VERIZON PENNSYLVANIA, INC. 234      
412-247 8   515J IP HORIZON LLC 234   2016-05-21   
412-247 9   9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 A WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 0   9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 1   9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 2   9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 3   9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 4   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-06-07   
412-256 5   9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 6   9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 7   3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-256 8   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   6701 AERIAL COMMUNICATIONS, INC. 234   2009-04-06   
412-273 1   9208 VERIZON PENNSYLVANIA, INC. 234      
412-273 2   6701 AERIAL COMMUNICATIONS, INC. 234   2009-04-06   
412-273 3   9208 VERIZON PENNSYLVANIA, INC. 234      
412-273 4   9208 VERIZON PENNSYLVANIA, INC. 234      
412-273 5   6701 AERIAL COMMUNICATIONS, INC. 234   2008-09-30   
412-273 6   9208 VERIZON PENNSYLVANIA, INC. 234      
412-273 7   9208 VERIZON PENNSYLVANIA, INC. 234      
412-273 8   6701 AERIAL COMMUNICATIONS, INC. 234   2008-12-10   
412-273 9   9208 VERIZON PENNSYLVANIA, INC. 234      
412-336 A   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2025-04-25   
412-336 2   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
412-336 3   547E ONVOY, LLC - PA 234   2017-12-28   
412-336 6   6701 AERIAL COMMUNICATIONS, INC. 234   2021-05-10   
412-336 7   6701 AERIAL COMMUNICATIONS, INC. 234   2021-05-10   
412-336 8   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   657B CITYNET PENNSYLVANIA, LLC - PA 234   2004-10-10   
412-342 4   829J PAETEC ITEL, LLC 234      
412-342 5   283E YMAX COMMUNICATIONS CORP. - PA 234   2008-03-30   
412-342 6   8597 CONSOLIDATED COMMUNICATIONS ENTERPRISE SERVICES-PA 234   2008-07-19   
412-342 7   197D VONAGE AMERICA LLC 234   2022-10-07   
412-342 8   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   9208 VERIZON PENNSYLVANIA, INC. 234      
412-351 1   9208 VERIZON PENNSYLVANIA, INC. 234      
412-351 2   9208 VERIZON PENNSYLVANIA, INC. 234      
412-351 3   9208 VERIZON PENNSYLVANIA, INC. 234      
412-351 4   9208 VERIZON PENNSYLVANIA, INC. 234      
412-351 5   9208 VERIZON PENNSYLVANIA, INC. 234      
412-351 6   9208 VERIZON PENNSYLVANIA, INC. 234      
412-351 7   9208 VERIZON PENNSYLVANIA, INC. 234      
412-351 8   9208 VERIZON PENNSYLVANIA, INC. 234      
412-351 9   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   8597 CONSOLIDATED COMMUNICATIONS ENTERPRISE SERVICES-PA 234   2003-06-17   
412-436 3   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2005-01-14   
412-436 4   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2003-01-12   
412-436 5   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2005-01-25   
412-436 6   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   002F BANDWIDTH.COM CLEC, LLC - PA 234   2013-06-15   
412-473 A WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-473 0   9208 VERIZON PENNSYLVANIA, INC. 234      
412-473 1   9208 VERIZON PENNSYLVANIA, INC. 234      
412-473 2   9208 VERIZON PENNSYLVANIA, INC. 234      
412-473 3   9208 VERIZON PENNSYLVANIA, INC. 234      
412-473 4   9208 VERIZON PENNSYLVANIA, INC. 234      
412-473 5   9208 VERIZON PENNSYLVANIA, INC. 234      
412-473 6   9208 VERIZON PENNSYLVANIA, INC. 234      
412-473 7   9208 VERIZON PENNSYLVANIA, INC. 234      
412-473 8   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   5562 METROPCS, INC. 234   2017-03-06   
412-501 2   547E ONVOY, LLC - PA 234   2016-04-07   
412-501 3   002F BANDWIDTH.COM CLEC, LLC - PA 234   2012-09-14   
412-501 4   547E ONVOY, LLC - PA 234   2016-04-07   
412-501 5   7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234   2012-02-27   
412-501 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-501 7   5562 METROPCS, INC. 234   2014-12-10   
412-501 8   547E ONVOY, LLC - PA 234   2024-07-08   
412-501 9   547E ONVOY, LLC - PA 234   2020-08-17   

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Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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