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Bel Air, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
443-528 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-528 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-528 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-528 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-528 9   5562 METROPCS, INC. 238      
443-567 A BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-567 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-567 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-567 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-567 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-567 4   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-567 5   318J COMCAST IP PHONE, LLC 238   2006-08-04   
443-567 6   318J COMCAST IP PHONE, LLC 238   2006-08-04   
443-567 7   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2012-04-17   
443-567 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-567 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-03-03   
443-616 A   829J PAETEC ITEL, LLC 238   2025-04-01   
443-616 0   829J PAETEC ITEL, LLC 238      
443-616 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2007-03-11   
443-616 2   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-02-11   
443-616 3   071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-01-21   
443-616 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2003-01-21   
443-616 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2003-01-21   
443-616 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2003-01-21   
443-616 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2003-01-21   
443-616 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2003-01-21   
443-616 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2003-01-21   
443-619 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-619 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-08-07   
443-619 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-04-02   
443-619 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-11-01   
443-619 3   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-02-03   
443-619 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-05-02   
443-619 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-03-17   
443-619 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-03-17   
443-619 7   071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-07-02   
443-619 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-07-06   
443-619 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-03-04   
443-640 A   829J PAETEC ITEL, LLC 238   2025-04-01   
443-640 0   829J PAETEC ITEL, LLC 238      
443-640 1   829J PAETEC ITEL, LLC 238      
443-640 2   829J PAETEC ITEL, LLC 238      
443-640 3   829J PAETEC ITEL, LLC 238      
443-640 4   318J COMCAST IP PHONE, LLC 238   2008-04-30   
443-640 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-02-02   
443-640 6   420C ARMSTRONG TELECOMMUNICATIONS, INC. - MD 238   2008-09-08   
443-640 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-03-16   
443-640 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-04-21   
443-640 9   073H TELNYX LLC 238   2021-03-04   
443-643 A BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
443-643 0   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-643 1   9212 VERIZON MARYLAND, INC. 238      
443-643 2   9212 VERIZON MARYLAND, INC. 238      
443-643 3   9212 VERIZON MARYLAND, INC. 238      
443-643 4   9212 VERIZON MARYLAND, INC. 238      
443-643 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-04-08   
443-643 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-04-08   
443-643 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-04-08   
443-643 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-04-08   
443-643 9   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-655 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-655 0   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-655 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-655 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-655 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-655 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-655 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-655 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-655 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-655 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-03-20   
443-655 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-03-20   
443-752 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-752 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-03-03   
443-752 1   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-03-21   
443-752 2   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-10-02   
443-752 3   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-12-29   
443-752 4   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-06-04   
443-752 5   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-08-20   
443-752 6   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-08-20   
443-752 7   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-08-20   
443-752 8   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-12-14   
443-752 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-01-14   
443-787 A   829J PAETEC ITEL, LLC 238   2025-04-01   
443-787 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2025-05-02   
443-787 1   829J PAETEC ITEL, LLC 238      
443-787 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-02-06   
443-787 3   876D ONVOY, LLC - MD 238   2014-09-05   
443-787 4   318J COMCAST IP PHONE, LLC 238   2014-09-14   
443-787 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2014-11-24   
443-787 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-12-13   
443-787 7   508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-04-02   
443-787 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-10-10   
443-787 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-12-13   
443-819 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
443-819 0   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-06-05   
443-819 1   876D ONVOY, LLC - MD 238   2015-07-30   
443-819 2   876D ONVOY, LLC - MD 238   2015-07-30   
443-819 3   318J COMCAST IP PHONE, LLC 238   2016-10-10   
443-819 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-08-22   
443-819 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-12-12   

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

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