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Pittsburgh Zone 6, PA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
412-207 A PITBPAMADS0  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-207 0   7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-207 1   7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-207 2   318J COMCAST IP PHONE, LLC 234      
412-207 3   547E ONVOY, LLC - PA 234   2017-06-05   
412-207 4   547E ONVOY, LLC - PA 234   2024-11-04   
412-207 7   318J COMCAST IP PHONE, LLC 234      
412-207 8   318J COMCAST IP PHONE, LLC 234      
412-207 9   318J COMCAST IP PHONE, LLC 234      
412-253 A   829J PAETEC ITEL, LLC 234   2025-03-04   
412-253 0   829J PAETEC ITEL, LLC 234      
412-253 1   829J PAETEC ITEL, LLC 234   2002-09-02   
412-253 2   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2005-01-25   
412-253 3   6701 AERIAL COMMUNICATIONS, INC. 234   2008-01-10   
412-253 4   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2003-01-12   
412-253 5   6701 AERIAL COMMUNICATIONS, INC. 234   2008-09-02   
412-253 6   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2005-02-15   
412-253 7   829J PAETEC ITEL, LLC 234      
412-253 8   829J PAETEC ITEL, LLC 234      
412-253 9   829J PAETEC ITEL, LLC 234      
412-254 A   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-254 0   515J IP HORIZON LLC 234   2018-01-11   
412-254 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-254 3   002F BANDWIDTH.COM CLEC, LLC - PA 234   2008-12-19   
412-254 4   002F BANDWIDTH.COM CLEC, LLC - PA 234   2008-12-19   
412-254 6   002F BANDWIDTH.COM CLEC, LLC - PA 234   2010-02-27   
412-254 7   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-10-24   
412-254 8   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2006-09-11   
412-254 9   547E ONVOY, LLC - PA 234   2022-12-12   
412-306 A DRMTPADORP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-306 0   9208 VERIZON PENNSYLVANIA, INC. 234      
412-306 1   9208 VERIZON PENNSYLVANIA, INC. 234      
412-306 2   9208 VERIZON PENNSYLVANIA, INC. 234      
412-306 3   9208 VERIZON PENNSYLVANIA, INC. 234      
412-306 4   9208 VERIZON PENNSYLVANIA, INC. 234      
412-306 5   9208 VERIZON PENNSYLVANIA, INC. 234      
412-306 6   9208 VERIZON PENNSYLVANIA, INC. 234      
412-306 7   9208 VERIZON PENNSYLVANIA, INC. 234      
412-306 8   515J IP HORIZON LLC 234   2018-01-11   
412-306 9   9208 VERIZON PENNSYLVANIA, INC. 234      
412-341 A DRMTPADORP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-343 A DRMTPADORP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-344 A DRMTPADORP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-379 A   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-379 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-379 1   3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-379 3   283E YMAX COMMUNICATIONS CORP. - PA 234   2010-09-07   
412-379 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-379 5   547E ONVOY, LLC - PA 234   2022-12-12   
412-379 6   547E ONVOY, LLC - PA 234   2017-11-05   
412-379 8   073H TELNYX LLC 234   2017-07-03   
412-388 A DRMTPADORP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-388 0   9208 VERIZON PENNSYLVANIA, INC. 234      
412-388 1   9208 VERIZON PENNSYLVANIA, INC. 234      
412-388 2   547E ONVOY, LLC - PA 234   2017-11-05   
412-388 4   547E ONVOY, LLC - PA 234   2017-11-05   
412-388 5   9208 VERIZON PENNSYLVANIA, INC. 234      
412-388 8   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-10-24   
412-388 9   073H TELNYX LLC 234   2018-10-04   
412-437 A   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
412-437 2   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
412-437 3   8597 CONSOLIDATED COMMUNICATIONS ENTERPRISE SERVICES-PA 234   2011-04-22   
412-437 6   6701 AERIAL COMMUNICATIONS, INC. 234   2021-05-10   
412-437 7   6701 AERIAL COMMUNICATIONS, INC. 234   2021-05-10   
412-437 8   002F BANDWIDTH.COM CLEC, LLC - PA 234   2011-09-26   
412-440 A   829J PAETEC ITEL, LLC 234   2025-03-04   
412-440 0   829J PAETEC ITEL, LLC 234      
412-440 1   829J PAETEC ITEL, LLC 234      
412-440 2   829J PAETEC ITEL, LLC 234      
412-440 3   283E YMAX COMMUNICATIONS CORP. - PA 234   2007-06-23   
412-440 4   829J PAETEC ITEL, LLC 234      
412-440 5   002F BANDWIDTH.COM CLEC, LLC - PA 234   2010-06-24   
412-440 6   829J PAETEC ITEL, LLC 234      
412-440 7   002F BANDWIDTH.COM CLEC, LLC - PA 234   2012-07-05   
412-440 8   002F BANDWIDTH.COM CLEC, LLC - PA 234   2013-03-04   
412-440 9   829J PAETEC ITEL, LLC 234      
412-502 A   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-502 1   515J IP HORIZON LLC 234   2013-04-29   
412-502 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-502 3   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-10-24   
412-502 5   002F BANDWIDTH.COM CLEC, LLC - PA 234   2013-11-22   
412-502 6   318J COMCAST IP PHONE, LLC 234   2015-06-26   
412-502 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-531 A DRMTPADORP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-561 A DRMTPADORP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-561 0   9208 VERIZON PENNSYLVANIA, INC. 234      
412-561 1   9208 VERIZON PENNSYLVANIA, INC. 234      
412-561 2   9208 VERIZON PENNSYLVANIA, INC. 234      
412-561 3   9208 VERIZON PENNSYLVANIA, INC. 234      
412-561 4   9208 VERIZON PENNSYLVANIA, INC. 234      
412-561 5   9208 VERIZON PENNSYLVANIA, INC. 234      
412-561 6   9208 VERIZON PENNSYLVANIA, INC. 234      
412-561 7   9208 VERIZON PENNSYLVANIA, INC. 234      
412-561 8   9208 VERIZON PENNSYLVANIA, INC. 234      
412-561 9   547E ONVOY, LLC - PA 234   2020-08-17   
412-563 A DRMTPADORP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-571 A DRMTPADORP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-571 0   9208 VERIZON PENNSYLVANIA, INC. 234      
412-571 1   9208 VERIZON PENNSYLVANIA, INC. 234      
412-571 2   9208 VERIZON PENNSYLVANIA, INC. 234      

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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