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Washington Zone 15, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-326 A   829J PAETEC ITEL, LLC 236   2025-04-02   
240-326 0   829J PAETEC ITEL, LLC 236      
240-326 1   829J PAETEC ITEL, LLC 236      
240-326 2   876D ONVOY, LLC - MD 236   2024-04-05   
240-326 3   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-17   
240-326 4   829J PAETEC ITEL, LLC 236      
240-326 5   876D ONVOY, LLC - MD 236   2021-07-12   
240-326 6   876D ONVOY, LLC - MD 236   2021-09-24   
240-326 7   876D ONVOY, LLC - MD 236   2021-09-24   
240-326 8   624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-326 9   829J PAETEC ITEL, LLC 236      
240-339 A   829J PAETEC ITEL, LLC 236   2025-04-02   
240-339 0   829J PAETEC ITEL, LLC 236      
240-339 1   318J COMCAST IP PHONE, LLC 236   2006-03-14   
240-339 2   876D ONVOY, LLC - MD 236   2008-10-05   
240-339 3   071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
240-339 4   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-06-26   
240-339 5   071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-20   
240-339 6   876D ONVOY, LLC - MD 236   2012-10-07   
240-339 7   508J CENTURYLINK COMMUNICATIONS, LLC 236   2014-06-12   
240-339 8   876D ONVOY, LLC - MD 236   2015-07-23   
240-339 9   829J PAETEC ITEL, LLC 236      
240-510 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-510 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-510 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2007-03-26   
240-510 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2007-03-26   
240-510 3   318J COMCAST IP PHONE, LLC 236   2013-01-12   
240-510 4   5562 METROPCS, INC. 236   2013-06-16   
240-510 5   318J COMCAST IP PHONE, LLC 236   2007-11-25   
240-510 6   5562 METROPCS, INC. 236   2013-06-16   
240-510 7   5562 METROPCS, INC. 236   2014-05-10   
240-510 8   5562 METROPCS, INC. 236   2014-08-22   
240-510 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-525 A WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-525 0   071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-09-22   
240-525 1   071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-09-22   
240-525 2   876D ONVOY, LLC - MD 236   2024-03-01   
240-525 3   624H ONVOY SPECTRUM, LLC 236   2022-01-16   
240-525 4   876D ONVOY, LLC - MD 236   2024-03-01   
240-525 6   876D ONVOY, LLC - MD 236   2023-06-17   
240-525 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-10-22   
240-525 8   071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-11-11   
240-525 9   568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-545 A   829J PAETEC ITEL, LLC 236   2025-04-02   
240-545 0   829J PAETEC ITEL, LLC 236      
240-545 1   829J PAETEC ITEL, LLC 236      
240-545 2   829J PAETEC ITEL, LLC 236      
240-545 3   829J PAETEC ITEL, LLC 236      
240-545 4   829J PAETEC ITEL, LLC 236      
240-545 5   071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-10-22   
240-545 6   073H TELNYX LLC 236   2017-04-27   
240-545 7   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2010-08-19   
240-545 8   071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-545 9   876D ONVOY, LLC - MD 236   2025-05-10   
240-573 A   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-573 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-08-11   
240-573 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-10-22   
240-573 2   876D ONVOY, LLC - MD 236   2012-04-05   
240-573 6   5562 METROPCS, INC. 236   2014-12-29   
240-573 7   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2012-06-09   
240-573 8   5562 METROPCS, INC. 236   2014-12-29   
240-573 9   515J IP HORIZON LLC 236   2016-05-31   
240-689 A VINNVACBX0X  425J CSC WIRELESS, LLC 236      
240-689 0   197D VONAGE AMERICA LLC 236   2020-05-20   
240-689 1   197D VONAGE AMERICA LLC 236   2020-05-20   
240-689 2   425J CSC WIRELESS, LLC 236   2019-07-19   
240-689 3   876D ONVOY, LLC - MD 236   2021-12-23   
240-689 4   876D ONVOY, LLC - MD 236   2021-12-23   
240-689 5   876D ONVOY, LLC - MD 236   2021-12-23   
240-689 6   624H ONVOY SPECTRUM, LLC 236   2022-01-16   
240-689 7   5562 METROPCS, INC. 236   2021-12-13   
240-689 8   876D ONVOY, LLC - MD 236   2025-03-09   
240-892 A MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-892 0   145J TERRA NOVA TELECOM INC. 236   2023-08-06   
240-892 1   515J IP HORIZON LLC 236   2015-03-21   
240-892 2   318J COMCAST IP PHONE, LLC 236   2015-04-10   
240-892 3   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-892 4   876D ONVOY, LLC - MD 236   2011-04-23   
240-892 5   876D ONVOY, LLC - MD 236   2015-06-27   
240-892 7   876D ONVOY, LLC - MD 236   2014-10-24   
240-892 8   876D ONVOY, LLC - MD 236   2014-10-24   
240-892 9   876D ONVOY, LLC - MD 236   2025-01-09   
301-298 A WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-298 0   2593 CORE COMMUNICATIONS, INC.- MD 236   2004-03-26   
301-298 1   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-03   
301-298 2   876D ONVOY, LLC - MD 236   2016-03-14   
301-298 3   876D ONVOY, LLC - MD 236   2016-03-14   
301-298 4   9212 VERIZON MARYLAND, INC. 236   2013-02-25   
301-298 5   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2008-03-13   
301-298 6   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-298 7   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2016-11-19   
301-298 8   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-03   
301-298 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-358 A MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-358 0   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-358 1   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-358 2   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-358 3   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-04   
301-358 4   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2003-03-24   
301-358 5   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-04   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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