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Baltimore, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
443-934 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-03-03   
443-934 3   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-03-03   
443-934 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-03-03   
443-934 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-03-03   
443-934 6   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-03-03   
443-934 7   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-03-03   
443-934 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-04-08   
443-934 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-04-08   
443-938 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-938 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-10-06   
443-938 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-10-06   
443-938 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-10-06   
443-938 3   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-10-06   
443-938 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-11-11   
443-938 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-11-11   
443-938 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-11-11   
443-938 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-11-11   
443-938 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-11-11   
443-938 9   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-11-07   
443-939 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-939 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-939 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-939 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-08-09   
443-939 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-01-11   
443-939 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-05-06   
443-939 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-05-06   
443-939 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-05-06   
443-939 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-05-27   
443-939 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-05-27   
443-939 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-948 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2024-02-09   
443-948 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-06   
443-948 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-06   
443-948 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-12-31   
443-948 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-06   
443-948 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-10-06   
443-948 5   318J COMCAST IP PHONE, LLC 238   2013-11-19   
443-948 6   071F BANDWIDTH.COM CLEC, LLC - MD 238   2012-12-07   
443-948 7   829J PAETEC ITEL, LLC 238   2014-03-10   
443-948 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2012-09-11   
443-948 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-12-31   
443-954 A   829J PAETEC ITEL, LLC 238   2025-04-01   
443-954 0   829J PAETEC ITEL, LLC 238   2005-08-27   
443-954 1   829J PAETEC ITEL, LLC 238   2005-08-27   
443-954 2   829J PAETEC ITEL, LLC 238   2005-08-27   
443-954 3   829J PAETEC ITEL, LLC 238   2005-08-27   
443-954 4   829J PAETEC ITEL, LLC 238   2005-08-27   
443-954 5   829J PAETEC ITEL, LLC 238   2005-08-27   
443-954 6   829J PAETEC ITEL, LLC 238   2005-08-27   
443-954 7   829J PAETEC ITEL, LLC 238   2005-08-27   
443-954 8   829J PAETEC ITEL, LLC 238   2005-08-27   
443-954 9   829J PAETEC ITEL, LLC 238   2005-08-27   
443-955 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-955 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-05-06   
443-955 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-05-08   
443-955 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-06-02   
443-955 3   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-06-02   
443-955 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-06-02   
443-955 5   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-06-26   
443-955 6   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-06-26   
443-955 7   829J PAETEC ITEL, LLC 238   2007-11-10   
443-955 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-07-03   
443-955 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-07-03   
443-956 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-957 A BLTMMDCHXAX  7421 AT&T - LOCAL 238      
443-957 0   876D ONVOY, LLC - MD 238   2025-01-06   
443-957 1   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-03-12   
443-957 2   7421 AT&T - LOCAL 238      
443-957 3   876D ONVOY, LLC - MD 238   2025-01-06   
443-957 4   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2004-05-29   
443-957 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-09-22   
443-957 6   7421 AT&T - LOCAL 238      
443-957 7   145J TERRA NOVA TELECOM INC. 238   2024-05-25   
443-957 8   145J TERRA NOVA TELECOM INC. 238   2024-12-29   
443-957 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-08-03   
443-961 A BLTMMDCHPMD  820C INTRADO COMMUNICATIONS, LLC 238      
443-961 0   820C INTRADO COMMUNICATIONS, LLC 238   2015-02-13   
443-961 1   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-14   
443-961 2   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-14   
443-961 3   318J COMCAST IP PHONE, LLC 238   2015-03-20   
443-961 4   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-14   
443-961 5   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-14   
443-961 6   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-14   
443-961 7   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-14   
443-961 8   318J COMCAST IP PHONE, LLC 238   2015-07-02   
443-961 9   820C INTRADO COMMUNICATIONS, LLC 238   2015-02-13   
443-963 A BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-963 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-12-31   
443-963 1   318J COMCAST IP PHONE, LLC 238   2015-12-26   
443-963 2   2593 CORE COMMUNICATIONS, INC.- MD 238   2012-03-25   
443-963 3   876D ONVOY, LLC - MD 238   2012-05-19   
443-963 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-02-24   
443-963 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-02-24   
443-963 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-02-24   
443-963 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-02-24   
443-963 8   145J TERRA NOVA TELECOM INC. 238   2022-08-02   
443-963 9   071F BANDWIDTH.COM CLEC, LLC - MD 238   2012-07-15   
443-965 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2024-02-09   
443-965 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-10-20   
443-965 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-10-20   

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

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