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Baltimore, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
443-825 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-01-20   
443-825 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-01-20   
443-825 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-01-20   
443-825 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-01-20   
443-825 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-01-20   
443-826 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-826 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-08-28   
443-826 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-04-22   
443-826 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-04-22   
443-826 3   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-29   
443-826 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-29   
443-826 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-29   
443-826 6   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-29   
443-826 7   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-04-22   
443-826 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-04-22   
443-826 9   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-12-23   
443-827 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-827 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-827 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-827 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-827 3   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-827 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-827 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-03-04   
443-827 6   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-03-04   
443-827 7   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-07-02   
443-827 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-07-02   
443-827 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-08-01   
443-829 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-829 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-829 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-829 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-829 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-829 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-829 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-829 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-829 7   5562 METROPCS, INC. 238      
443-829 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-829 9   5562 METROPCS, INC. 238      
443-831 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-835 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-835 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-02-08   
443-835 1   318J COMCAST IP PHONE, LLC 238   2009-09-10   
443-835 2   318J COMCAST IP PHONE, LLC 238   2009-09-10   
443-835 3   318J COMCAST IP PHONE, LLC 238   2009-09-10   
443-835 4   318J COMCAST IP PHONE, LLC 238   2009-09-10   
443-835 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-06-19   
443-835 6   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-06-19   
443-835 7   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-06-19   
443-835 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-06-19   
443-835 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-07-16   
443-836 A BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-836 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-836 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-08-26   
443-836 2   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-12   
443-836 3   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-12   
443-836 4   876D ONVOY, LLC - MD 238   2018-12-13   
443-836 5   876D ONVOY, LLC - MD 238   2020-02-13   
443-836 6   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2017-12-05   
443-836 7   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2017-12-05   
443-836 8   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-19   
443-836 9   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-19   
443-838 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-839 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-839 0   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-01-27   
443-839 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-08-26   
443-839 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-07-09   
443-839 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-07-09   
443-839 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-06-08   
443-839 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-06-08   
443-839 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-06-08   
443-839 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-06-08   
443-839 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-04-08   
443-839 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2006-06-08   
443-842 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-842 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-05-06   
443-842 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-05-09   
443-842 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-05-09   
443-842 3   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-05-09   
443-842 4   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-05-20   
443-842 5   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-05-20   
443-842 6   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-05-20   
443-842 7   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2011-06-05   
443-842 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-01-22   
443-842 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-01-22   
443-844 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-844 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-07   
443-844 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-07   
443-844 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-10   
443-844 3   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-04-10   
443-844 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-10   
443-844 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-10   
443-844 6   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-10   
443-844 7   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-10   
443-844 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-10   
443-844 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-24   
443-845 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-845 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-845 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-845 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-845 3   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-06-02   

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

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