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Washington Zone 15, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-545 5 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-10-22   
240-545 6 WASHDC127MD  073H TELNYX LLC 236   2017-04-27   
240-545 7 WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2010-08-19   
240-545 8 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   
240-545 9 VINNVACBDS0  876D ONVOY, LLC - MD 236   2025-05-10   
240-573 A MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-573 0 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-08-11   
240-573 1 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-10-22   
240-573 2 VINNVACBDS0  876D ONVOY, LLC - MD 236   2012-04-05   
240-573 6 BTVLMD12CMA  5562 METROPCS, INC. 236   2014-12-29   
240-573 7 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2012-06-09   
240-573 8 BTVLMD12CMA  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 WASHDC125MD  197D VONAGE AMERICA LLC 236   2020-05-20   
240-689 1 WASHDC125MD  197D VONAGE AMERICA LLC 236   2020-05-20   
240-689 2 VINNVACBX0X  425J CSC WIRELESS, LLC 236   2019-07-19   
240-689 3 VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-12-23   
240-689 4 VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-12-23   
240-689 5 VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-12-23   
240-689 6 WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-01-16   
240-689 7 BTVLMD12CMA  5562 METROPCS, INC. 236   2021-12-13   
240-689 8 VINNVACBDS0  876D ONVOY, LLC - MD 236   2025-03-09   
240-689 9 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-03-19   
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 ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2015-04-10   
240-892 3 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-892 4 VINNVACBDS0  876D ONVOY, LLC - MD 236   2011-04-23   
240-892 5 VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-06-27   
240-892 6 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-03-19   
240-892 7 VINNVACBDS0  876D ONVOY, LLC - MD 236   2014-10-24   
240-892 8 VINNVACBDS0  876D ONVOY, LLC - MD 236   2014-10-24   
240-892 9 VINNVACBDS0  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 SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-03   
301-298 2 VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-03-14   
301-298 3 VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-03-14   
301-298 4 MRBOMDMBDS0  9212 VERIZON MARYLAND, INC. 236   2013-02-25   
301-298 5 MCLNVA23DS4  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 WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2016-11-19   
301-298 8 SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-03   
301-298 9 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-358 A MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-358 0 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-358 1 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-358 2 MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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