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Westminster, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
443-547 3   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-01-16   
443-547 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-05-03   
443-547 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-06-15   
443-547 6   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-02-26   
443-547 7   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-03-13   
443-547 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-05-02   
443-547 9   5562 METROPCS, INC. 238   2010-07-19   
443-605 A   829J PAETEC ITEL, LLC 238   2025-04-01   
443-605 0   829J PAETEC ITEL, LLC 238      
443-605 1   829J PAETEC ITEL, LLC 238      
443-605 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-07-02   
443-605 3   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-02-03   
443-605 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-04-01   
443-605 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-05-02   
443-605 6   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-05-02   
443-605 7   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-08-07   
443-605 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-12-04   
443-605 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-12-04   
443-789 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-789 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-789 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-789 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-789 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-03-08   
443-789 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-789 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2008-10-25   
443-789 6   5562 METROPCS, INC. 238   2007-01-03   
443-789 7   5562 METROPCS, INC. 238   2007-01-03   
443-789 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-09-10   
443-789 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-09-10   
443-821 A BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-821 0   071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-28   
443-821 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2010-10-11   
443-821 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2010-10-27   
443-821 3   318J COMCAST IP PHONE, LLC 238   2010-12-10   
443-821 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-02-03   
443-821 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-02-03   
443-821 6   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-09-27   
443-821 7   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-06-02   
443-821 8   5562 METROPCS, INC. 238   2010-09-06   
443-821 9   5562 METROPCS, INC. 238   2010-09-06   
443-952 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-952 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-11-06   
443-952 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-07-03   
443-952 2   876D ONVOY, LLC - MD 238   2016-03-10   
443-952 3   071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-05-31   
443-952 4   876D ONVOY, LLC - MD 238   2015-10-05   
443-952 5   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2013-08-23   
443-952 6   876D ONVOY, LLC - MD 238   2014-09-05   
443-952 7   318J COMCAST IP PHONE, LLC 238   2011-12-22   
443-952 8   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   

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

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