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Towson, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
443-846 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-04   
443-846 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-04   
443-846 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-04   
443-846 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-04   
443-846 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-04   
443-846 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-02-04   
443-847 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-847 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-12-07   
443-847 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-02-02   
443-847 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-02-20   
443-847 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-02-20   
443-847 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-03-11   
443-847 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-05-28   
443-847 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-05-28   
443-847 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-05-28   
443-847 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-05-28   
443-847 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-05-28   
443-849 A TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
443-862 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-862 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-08   
443-862 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-08   
443-862 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-09   
443-862 3   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-09   
443-862 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-09   
443-862 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-09   
443-862 6   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-12-09   
443-862 7   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-10-01   
443-862 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-10-01   
443-862 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-10-01   
443-895 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-895 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-06-07   
443-895 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-06-07   
443-895 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-08-06   
443-895 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-08-06   
443-895 4   318J COMCAST IP PHONE, LLC 238   2007-07-30   
443-895 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-08-06   
443-895 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-08-06   
443-895 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-08-06   
443-895 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-08-06   
443-895 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-08-06   
443-900 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-900 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-07-21   
443-900 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-07-21   
443-900 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-07-21   
443-900 3   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-07-21   
443-900 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-07-21   
443-900 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-07-21   
443-900 6   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-09-01   
443-900 7   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-09-01   
443-900 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-09-01   
443-900 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-11-01   
443-901 A   829J PAETEC ITEL, LLC 238   2025-04-01   
443-901 0   829J PAETEC ITEL, LLC 238      
443-901 1   829J PAETEC ITEL, LLC 238      
443-901 2   829J PAETEC ITEL, LLC 238      
443-901 3   876D ONVOY, LLC - MD 238   2020-08-09   
443-901 4   876D ONVOY, LLC - MD 238   2020-08-09   
443-901 5   876D ONVOY, LLC - MD 238   2020-08-09   
443-901 6   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2020-06-30   
443-901 7   829J PAETEC ITEL, LLC 238      
443-901 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-05-10   
443-901 9   829J PAETEC ITEL, LLC 238      
443-912 A BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
443-912 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-05-01   
443-912 1   2593 CORE COMMUNICATIONS, INC.- MD 238   2002-08-23   
443-912 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-03-05   
443-912 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-03-05   
443-912 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-03-05   
443-912 5   876D ONVOY, LLC - MD 238   2015-07-29   
443-912 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2008-03-11   
443-912 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-03-07   
443-912 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-03-07   
443-912 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-03-07   
443-921 A   829J PAETEC ITEL, LLC 238   2025-04-01   
443-921 0   829J PAETEC ITEL, LLC 238      
443-921 1   829J PAETEC ITEL, LLC 238      
443-921 2   829J PAETEC ITEL, LLC 238      
443-921 3   829J PAETEC ITEL, LLC 238      
443-921 4   829J PAETEC ITEL, LLC 238      
443-921 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-03-07   
443-921 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-03-07   
443-921 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-03-07   
443-921 8   829J PAETEC ITEL, LLC 238      
443-921 9   829J PAETEC ITEL, LLC 238      
443-935 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-935 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-09-21   
443-935 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-09-21   
443-935 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-09-25   
443-935 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-09-25   
443-935 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-09-25   
443-935 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-09-23   
443-935 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-09-23   
443-935 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-12-12   
443-935 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-02-20   
443-935 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2007-02-20   
443-991 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-991 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-11-15   
443-991 1   5562 METROPCS, INC. 238   2013-06-14   
443-991 2   5562 METROPCS, INC. 238   2013-06-14   
443-991 3   5562 METROPCS, INC. 238   2013-06-14   

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

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