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Washington Zone 3, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-821 5   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-01-28   
240-821 6   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-01-28   
240-821 7   876D ONVOY, LLC - MD 236   2025-01-09   
240-821 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-09-19   
240-821 9   829J PAETEC ITEL, LLC 236   2006-03-26   
240-839 A WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-839 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-03-09   
240-839 1   071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-03-01   
240-839 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-04-02   
240-839 3   829J PAETEC ITEL, LLC 236   2014-09-05   
240-839 4   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2010-06-21   
240-839 5   876D ONVOY, LLC - MD 236   2008-10-05   
240-839 6   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2014-04-26   
240-839 7   318J COMCAST IP PHONE, LLC 236   2007-08-01   
240-839 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-11-15   
240-839 9   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-10-17   
240-847 A VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-847 0   876D ONVOY, LLC - MD 236   2016-02-08   
240-847 1   876D ONVOY, LLC - MD 236   2016-02-08   
240-847 2   876D ONVOY, LLC - MD 236   2016-02-25   
240-847 3   876D ONVOY, LLC - MD 236   2016-02-25   
240-847 4   071F BANDWIDTH.COM CLEC, LLC - MD 236   2016-09-08   
240-847 5   876D ONVOY, LLC - MD 236   2016-10-01   
240-847 6   876D ONVOY, LLC - MD 236   2016-10-01   
240-847 7   318J COMCAST IP PHONE, LLC 236   2016-03-01   
240-847 8   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2016-06-13   
240-847 9   515J IP HORIZON LLC 236   2016-05-31   
240-863 A LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
240-863 0   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
240-863 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-07-02   
240-863 2   071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-01-27   
240-863 3   318J COMCAST IP PHONE, LLC 236   2007-08-20   
240-863 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-06-02   
240-863 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-06-16   
240-863 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-07-04   
240-863 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-06-19   
240-863 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-06-02   
240-863 9   071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-10-05   
240-867 A SLSPMD913MD  939H COMMIO, LLC 236      
240-867 0   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
240-867 1   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
240-867 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-06-04   
240-867 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-06-04   
240-867 4   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-03-29   
240-867 5   939H COMMIO, LLC 236   2017-08-11   
240-867 6   515J IP HORIZON LLC 236   2019-04-26   
240-867 7   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-03-29   
240-867 8   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
240-867 9   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
240-893 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-945 A VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-945 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-09-23   
240-945 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-09-23   
240-945 2   876D ONVOY, LLC - MD 236   2021-01-07   
240-945 3   876D ONVOY, LLC - MD 236   2021-01-07   
240-945 4   876D ONVOY, LLC - MD 236   2021-01-07   
240-945 5   876D ONVOY, LLC - MD 236   2021-01-07   
240-945 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-09-23   
240-945 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-09-23   
240-945 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-09-23   
240-945 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-09-23   
240-963 A WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-963 0   071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-12-18   
240-963 1   071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-12-18   
240-963 2   071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-12-18   
240-963 3   071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-12-18   
240-963 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-04-07   
240-963 7   876D ONVOY, LLC - MD 236   2023-02-26   
240-963 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-19   
240-963 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-19   
240-988 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-988 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-988 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-988 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-988 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-988 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-988 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-988 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-988 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-988 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-988 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-997 A WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-997 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-997 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-997 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2004-06-18   
240-997 3   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2004-09-20   
240-997 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2004-09-20   
240-997 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2004-09-20   
240-997 6   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-997 7   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2004-09-20   
240-997 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-02-03   
240-997 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-213 A BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-213 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-213 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-213 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-213 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-213 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-213 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-213 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      

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

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