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Towson, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
443-761 3   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-06-27   
443-761 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-06-27   
443-761 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-06-27   
443-761 6   829J PAETEC ITEL, LLC 238   2008-09-19   
443-761 7   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-10-28   
443-761 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-08-01   
443-761 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-08-02   
443-791 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-791 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-791 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-791 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-791 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-09-16   
443-791 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-791 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-09-13   
443-791 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-09-13   
443-791 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-09-13   
443-791 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-06-02   
443-791 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-797 A BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-797 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-797 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-797 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-09-02   
443-797 3   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-09-02   
443-797 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   
443-797 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   
443-797 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-08-14   
443-797 7   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-07-02   
443-797 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-797 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-01   
443-798 A BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
443-798 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-798 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-798 2   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-07-27   
443-798 3   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-04-08   
443-798 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-05-16   
443-798 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-05-16   
443-798 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-08-14   
443-798 7   829J PAETEC ITEL, LLC 238   2007-08-28   
443-798 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-798 9   7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
443-809 A BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-809 0   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-08-04   
443-809 1   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-08-04   
443-809 2   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-08-04   
443-809 3   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-08-04   
443-809 4   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-08-04   
443-809 5   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-08-04   
443-809 6   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-08-04   
443-809 7   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-08-04   
443-809 8   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-08-04   
443-809 9   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2014-08-04   
443-823 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-823 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-09-09   
443-823 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-11-02   
443-823 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-11-27   
443-823 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-11-27   
443-823 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-11-27   
443-823 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-11-27   
443-823 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-11-27   
443-823 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2008-02-21   
443-823 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2008-02-21   
443-823 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-01-02   
443-824 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-824 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-824 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-08-11   
443-824 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-824 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-824 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-824 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-08-11   
443-824 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-824 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-08-11   
443-824 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-08-11   
443-824 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-834 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-834 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-05-16   
443-834 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-09-04   
443-834 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-12-02   
443-834 3   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-05-02   
443-834 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2004-04-01   
443-834 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-09-20   
443-834 6   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-01   
443-834 7   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2024-12-14   
443-834 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-08-01   
443-834 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-08-01   
443-841 A CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
443-841 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-01   
443-841 1   829J PAETEC ITEL, LLC 238   2005-03-10   
443-841 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-01   
443-841 3   9212 VERIZON MARYLAND, INC. 238      
443-841 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-01-02   
443-841 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-01-02   
443-841 6   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-01-02   
443-841 7   318J COMCAST IP PHONE, LLC 238   2005-11-11   
443-841 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-05-16   
443-841 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-01-02   
443-846 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-846 0   071F BANDWIDTH.COM CLEC, LLC - MD 238   2013-09-13   
443-846 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-04   
443-846 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-04   
443-846 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-04   

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

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